observation_date,HOUST
1959-01-01,1657
1959-02-01,1667
1959-03-01,1620
1959-04-01,1590
1959-05-01,1498
1959-06-01,1503
1959-07-01,1547
1959-08-01,1430
1959-09-01,1540
1959-10-01,1355
1959-11-01,1416
1959-12-01,1601
1960-01-01,1460
1960-02-01,1503
1960-03-01,1109
1960-04-01,1289
1960-05-01,1271
1960-06-01,1247
1960-07-01,1197
1960-08-01,1344
1960-09-01,1097
1960-10-01,1246
1960-11-01,1246
1960-12-01,1063
1961-01-01,1183
1961-02-01,1226
1961-03-01,1312
1961-04-01,1166
1961-05-01,1228
1961-06-01,1382
1961-07-01,1335
1961-08-01,1312
1961-09-01,1429
1961-10-01,1415
1961-11-01,1385
1961-12-01,1365
1962-01-01,1361
1962-02-01,1278
1962-03-01,1443
1962-04-01,1524
1962-05-01,1483
1962-06-01,1404
1962-07-01,1450
1962-08-01,1517
1962-09-01,1324
1962-10-01,1533
1962-11-01,1622
1962-12-01,1564
1963-01-01,1244
1963-02-01,1456
1963-03-01,1534
1963-04-01,1689
1963-05-01,1641
1963-06-01,1588
1963-07-01,1614
1963-08-01,1639
1963-09-01,1763
1963-10-01,1779
1963-11-01,1622
1963-12-01,1491
1964-01-01,1603
1964-02-01,1820
1964-03-01,1517
1964-04-01,1448
1964-05-01,1467
1964-06-01,1550
1964-07-01,1562
1964-08-01,1569
1964-09-01,1455
1964-10-01,1524
1964-11-01,1486
1964-12-01,1484
1965-01-01,1361
1965-02-01,1433
1965-03-01,1423
1965-04-01,1438
1965-05-01,1478
1965-06-01,1488
1965-07-01,1529
1965-08-01,1432
1965-09-01,1482
1965-10-01,1452
1965-11-01,1460
1965-12-01,1656
1966-01-01,1370
1966-02-01,1378
1966-03-01,1394
1966-04-01,1352
1966-05-01,1265
1966-06-01,1194
1966-07-01,1086
1966-08-01,1119
1966-09-01,1046
1966-10-01,843
1966-11-01,961
1966-12-01,990
1967-01-01,1067
1967-02-01,1123
1967-03-01,1056
1967-04-01,1091
1967-05-01,1304
1967-06-01,1248
1967-07-01,1364
1967-08-01,1407
1967-09-01,1421
1967-10-01,1491
1967-11-01,1538
1967-12-01,1308
1968-01-01,1380
1968-02-01,1520
1968-03-01,1466
1968-04-01,1554
1968-05-01,1408
1968-06-01,1405
1968-07-01,1512
1968-08-01,1495
1968-09-01,1556
1968-10-01,1569
1968-11-01,1630
1968-12-01,1548
1969-01-01,1769
1969-02-01,1705
1969-03-01,1561
1969-04-01,1524
1969-05-01,1583
1969-06-01,1528
1969-07-01,1368
1969-08-01,1358
1969-09-01,1507
1969-10-01,1381
1969-11-01,1229
1969-12-01,1327
1970-01-01,1085
1970-02-01,1305
1970-03-01,1319
1970-04-01,1264
1970-05-01,1290
1970-06-01,1385
1970-07-01,1517
1970-08-01,1399
1970-09-01,1534
1970-10-01,1580
1970-11-01,1647
1970-12-01,1893
1971-01-01,1828
1971-02-01,1741
1971-03-01,1910
1971-04-01,1986
1971-05-01,2049
1971-06-01,2026
1971-07-01,2083
1971-08-01,2158
1971-09-01,2041
1971-10-01,2128
1971-11-01,2182
1971-12-01,2295
1972-01-01,2494
1972-02-01,2390
1972-03-01,2334
1972-04-01,2249
1972-05-01,2221
1972-06-01,2254
1972-07-01,2252
1972-08-01,2382
1972-09-01,2481
1972-10-01,2485
1972-11-01,2421
1972-12-01,2366
1973-01-01,2481
1973-02-01,2289
1973-03-01,2365
1973-04-01,2084
1973-05-01,2266
1973-06-01,2067
1973-07-01,2123
1973-08-01,2051
1973-09-01,1874
1973-10-01,1677
1973-11-01,1724
1973-12-01,1526
1974-01-01,1451
1974-02-01,1752
1974-03-01,1555
1974-04-01,1607
1974-05-01,1426
1974-06-01,1513
1974-07-01,1316
1974-08-01,1142
1974-09-01,1150
1974-10-01,1070
1974-11-01,1026
1974-12-01,975
1975-01-01,1032
1975-02-01,904
1975-03-01,993
1975-04-01,1005
1975-05-01,1121
1975-06-01,1087
1975-07-01,1226
1975-08-01,1260
1975-09-01,1264
1975-10-01,1344
1975-11-01,1360
1975-12-01,1321
1976-01-01,1367
1976-02-01,1538
1976-03-01,1421
1976-04-01,1395
1976-05-01,1459
1976-06-01,1495
1976-07-01,1401
1976-08-01,1550
1976-09-01,1720
1976-10-01,1629
1976-11-01,1641
1976-12-01,1804
1977-01-01,1527
1977-02-01,1943
1977-03-01,2063
1977-04-01,1892
1977-05-01,1971
1977-06-01,1893
1977-07-01,2058
1977-08-01,2020
1977-09-01,1949
1977-10-01,2042
1977-11-01,2042
1977-12-01,2142
1978-01-01,1718
1978-02-01,1738
1978-03-01,2032
1978-04-01,2197
1978-05-01,2075
1978-06-01,2070
1978-07-01,2092
1978-08-01,1996
1978-09-01,1970
1978-10-01,1981
1978-11-01,2094
1978-12-01,2044
1979-01-01,1630
1979-02-01,1520
1979-03-01,1847
1979-04-01,1748
1979-05-01,1876
1979-06-01,1913
1979-07-01,1760
1979-08-01,1778
1979-09-01,1832
1979-10-01,1681
1979-11-01,1524
1979-12-01,1498
1980-01-01,1341
1980-02-01,1350
1980-03-01,1047
1980-04-01,1051
1980-05-01,927
1980-06-01,1196
1980-07-01,1269
1980-08-01,1436
1980-09-01,1471
1980-10-01,1523
1980-11-01,1510
1980-12-01,1482
1981-01-01,1547
1981-02-01,1246
1981-03-01,1306
1981-04-01,1360
1981-05-01,1140
1981-06-01,1045
1981-07-01,1041
1981-08-01,940
1981-09-01,911
1981-10-01,873
1981-11-01,837
1981-12-01,910
1982-01-01,843
1982-02-01,866
1982-03-01,931
1982-04-01,917
1982-05-01,1025
1982-06-01,902
1982-07-01,1166
1982-08-01,1046
1982-09-01,1144
1982-10-01,1173
1982-11-01,1372
1982-12-01,1303
1983-01-01,1586
1983-02-01,1699
1983-03-01,1606
1983-04-01,1472
1983-05-01,1776
1983-06-01,1733
1983-07-01,1785
1983-08-01,1910
1983-09-01,1710
1983-10-01,1715
1983-11-01,1785
1983-12-01,1688
1984-01-01,1897
1984-02-01,2260
1984-03-01,1663
1984-04-01,1851
1984-05-01,1774
1984-06-01,1843
1984-07-01,1732
1984-08-01,1586
1984-09-01,1698
1984-10-01,1590
1984-11-01,1689
1984-12-01,1612
1985-01-01,1711
1985-02-01,1632
1985-03-01,1800
1985-04-01,1821
1985-05-01,1680
1985-06-01,1676
1985-07-01,1684
1985-08-01,1743
1985-09-01,1676
1985-10-01,1834
1985-11-01,1698
1985-12-01,1942
1986-01-01,1972
1986-02-01,1848
1986-03-01,1876
1986-04-01,1933
1986-05-01,1854
1986-06-01,1847
1986-07-01,1782
1986-08-01,1807
1986-09-01,1687
1986-10-01,1681
1986-11-01,1623
1986-12-01,1833
1987-01-01,1774
1987-02-01,1784
1987-03-01,1726
1987-04-01,1614
1987-05-01,1628
1987-06-01,1594
1987-07-01,1575
1987-08-01,1605
1987-09-01,1695
1987-10-01,1515
1987-11-01,1656
1987-12-01,1400
1988-01-01,1271
1988-02-01,1473
1988-03-01,1532
1988-04-01,1573
1988-05-01,1421
1988-06-01,1478
1988-07-01,1467
1988-08-01,1493
1988-09-01,1492
1988-10-01,1522
1988-11-01,1569
1988-12-01,1563
1989-01-01,1621
1989-02-01,1425
1989-03-01,1422
1989-04-01,1339
1989-05-01,1331
1989-06-01,1397
1989-07-01,1427
1989-08-01,1332
1989-09-01,1279
1989-10-01,1410
1989-11-01,1351
1989-12-01,1251
1990-01-01,1551
1990-02-01,1437
1990-03-01,1289
1990-04-01,1248
1990-05-01,1212
1990-06-01,1177
1990-07-01,1171
1990-08-01,1115
1990-09-01,1110
1990-10-01,1014
1990-11-01,1145
1990-12-01,969
1991-01-01,798
1991-02-01,965
1991-03-01,921
1991-04-01,1001
1991-05-01,996
1991-06-01,1036
1991-07-01,1063
1991-08-01,1049
1991-09-01,1015
1991-10-01,1079
1991-11-01,1103
1991-12-01,1079
1992-01-01,1176
1992-02-01,1250
1992-03-01,1297
1992-04-01,1099
1992-05-01,1214
1992-06-01,1145
1992-07-01,1139
1992-08-01,1226
1992-09-01,1186
1992-10-01,1244
1992-11-01,1214
1992-12-01,1227
1993-01-01,1210
1993-02-01,1210
1993-03-01,1083
1993-04-01,1258
1993-05-01,1260
1993-06-01,1280
1993-07-01,1254
1993-08-01,1300
1993-09-01,1343
1993-10-01,1392
1993-11-01,1376
1993-12-01,1533
1994-01-01,1272
1994-02-01,1337
1994-03-01,1564
1994-04-01,1465
1994-05-01,1526
1994-06-01,1409
1994-07-01,1439
1994-08-01,1450
1994-09-01,1474
1994-10-01,1450
1994-11-01,1511
1994-12-01,1455
1995-01-01,1407
1995-02-01,1316
1995-03-01,1249
1995-04-01,1267
1995-05-01,1314
1995-06-01,1281
1995-07-01,1461
1995-08-01,1416
1995-09-01,1369
1995-10-01,1369
1995-11-01,1452
1995-12-01,1431
1996-01-01,1467
1996-02-01,1491
1996-03-01,1424
1996-04-01,1516
1996-05-01,1504
1996-06-01,1467
1996-07-01,1472
1996-08-01,1557
1996-09-01,1475
1996-10-01,1392
1996-11-01,1489
1996-12-01,1370
1997-01-01,1355
1997-02-01,1486
1997-03-01,1457
1997-04-01,1492
1997-05-01,1442
1997-06-01,1494
1997-07-01,1437
1997-08-01,1390
1997-09-01,1546
1997-10-01,1520
1997-11-01,1510
1997-12-01,1566
1998-01-01,1525
1998-02-01,1584
1998-03-01,1567
1998-04-01,1540
1998-05-01,1536
1998-06-01,1641
1998-07-01,1698
1998-08-01,1614
1998-09-01,1582
1998-10-01,1715
1998-11-01,1660
1998-12-01,1792
1999-01-01,1748
1999-02-01,1670
1999-03-01,1710
1999-04-01,1553
1999-05-01,1611
1999-06-01,1559
1999-07-01,1669
1999-08-01,1648
1999-09-01,1635
1999-10-01,1608
1999-11-01,1648
1999-12-01,1708
2000-01-01,1636
2000-02-01,1737
2000-03-01,1604
2000-04-01,1626
2000-05-01,1575
2000-06-01,1559
2000-07-01,1463
2000-08-01,1541
2000-09-01,1507
2000-10-01,1549
2000-11-01,1551
2000-12-01,1532
2001-01-01,1600
2001-02-01,1625
2001-03-01,1590
2001-04-01,1649
2001-05-01,1605
2001-06-01,1636
2001-07-01,1670
2001-08-01,1567
2001-09-01,1562
2001-10-01,1540
2001-11-01,1602
2001-12-01,1568
2002-01-01,1698
2002-02-01,1829
2002-03-01,1642
2002-04-01,1592
2002-05-01,1764
2002-06-01,1717
2002-07-01,1655
2002-08-01,1633
2002-09-01,1804
2002-10-01,1648
2002-11-01,1753
2002-12-01,1788
2003-01-01,1853
2003-02-01,1629
2003-03-01,1726
2003-04-01,1643
2003-05-01,1751
2003-06-01,1867
2003-07-01,1897
2003-08-01,1833
2003-09-01,1939
2003-10-01,1967
2003-11-01,2083
2003-12-01,2057
2004-01-01,1911
2004-02-01,1846
2004-03-01,1998
2004-04-01,2003
2004-05-01,1981
2004-06-01,1828
2004-07-01,2002
2004-08-01,2024
2004-09-01,1905
2004-10-01,2072
2004-11-01,1782
2004-12-01,2042
2005-01-01,2144
2005-02-01,2207
2005-03-01,1864
2005-04-01,2061
2005-05-01,2025
2005-06-01,2068
2005-07-01,2054
2005-08-01,2095
2005-09-01,2151
2005-10-01,2065
2005-11-01,2147
2005-12-01,1994
2006-01-01,2273
2006-02-01,2119
2006-03-01,1969
2006-04-01,1821
2006-05-01,1942
2006-06-01,1802
2006-07-01,1737
2006-08-01,1650
2006-09-01,1720
2006-10-01,1491
2006-11-01,1570
2006-12-01,1649
2007-01-01,1409
2007-02-01,1480
2007-03-01,1495
2007-04-01,1490
2007-05-01,1415
2007-06-01,1448
2007-07-01,1354
2007-08-01,1330
2007-09-01,1183
2007-10-01,1264
2007-11-01,1197
2007-12-01,1037
2008-01-01,1084
2008-02-01,1103
2008-03-01,1005
2008-04-01,1013
2008-05-01,973
2008-06-01,1046
2008-07-01,923
2008-08-01,844
2008-09-01,820
2008-10-01,777
2008-11-01,652
2008-12-01,560
2009-01-01,490
2009-02-01,582
2009-03-01,505
2009-04-01,478
2009-05-01,540
2009-06-01,585
2009-07-01,594
2009-08-01,586
2009-09-01,585
2009-10-01,534
2009-11-01,588
2009-12-01,581
2010-01-01,614
2010-02-01,604
2010-03-01,636
2010-04-01,687
2010-05-01,583
2010-06-01,536
2010-07-01,546
2010-08-01,599
2010-09-01,594
2010-10-01,543
2010-11-01,545
2010-12-01,539
2011-01-01,630
2011-02-01,517
2011-03-01,600
2011-04-01,554
2011-05-01,561
2011-06-01,608
2011-07-01,623
2011-08-01,585
2011-09-01,650
2011-10-01,610
2011-11-01,711
2011-12-01,694
2012-01-01,723
2012-02-01,704
2012-03-01,695
2012-04-01,753
2012-05-01,708
2012-06-01,757
2012-07-01,740
2012-08-01,754
2012-09-01,847
2012-10-01,915
2012-11-01,833
2012-12-01,976
2013-01-01,888
2013-02-01,962
2013-03-01,1010
2013-04-01,835
2013-05-01,930
2013-06-01,839
2013-07-01,880
2013-08-01,917
2013-09-01,850
2013-10-01,925
2013-11-01,1100
2013-12-01,1002
2014-01-01,888
2014-02-01,944
2014-03-01,970
2014-04-01,1043
2014-05-01,1007
2014-06-01,911
2014-07-01,1085
2014-08-01,984
2014-09-01,1023
2014-10-01,1074
2014-11-01,1001
2014-12-01,1073
2015-01-01,1085
2015-02-01,886
2015-03-01,960
2015-04-01,1190
2015-05-01,1079
2015-06-01,1205
2015-07-01,1146
2015-08-01,1130
2015-09-01,1224
2015-10-01,1058
2015-11-01,1172
2015-12-01,1146
2016-01-01,1092
2016-02-01,1225
2016-03-01,1111
2016-04-01,1163
2016-05-01,1148
2016-06-01,1203
2016-07-01,1239
2016-08-01,1171
2016-09-01,1068
2016-10-01,1313
2016-11-01,1140
2016-12-01,1252
2017-01-01,1190
2017-02-01,1271
2017-03-01,1190
2017-04-01,1146
2017-05-01,1157
2017-06-01,1249
2017-07-01,1206
2017-08-01,1159
2017-09-01,1181
2017-10-01,1257
2017-11-01,1273
2017-12-01,1177
2018-01-01,1299
2018-02-01,1277
2018-03-01,1318
2018-04-01,1276
2018-05-01,1357
2018-06-01,1192
2018-07-01,1208
2018-08-01,1288
2018-09-01,1250
2018-10-01,1221
2018-11-01,1181
2018-12-01,1095
2019-01-01,1226
2019-02-01,1121
2019-03-01,1191
2019-04-01,1272
2019-05-01,1293
2019-06-01,1243
2019-07-01,1240
2019-08-01,1375
2019-09-01,1311
2019-10-01,1325
2019-11-01,1353
2019-12-01,1548
2020-01-01,1581
2020-02-01,1549
2020-03-01,1266
2020-04-01,936
2020-05-01,1039
2020-06-01,1266
2020-07-01,1526
2020-08-01,1396
2020-09-01,1473
2020-10-01,1543
2020-11-01,1543
2020-12-01,1614
2021-01-01,1630
2021-02-01,1404
2021-03-01,1696
2021-04-01,1495
2021-05-01,1589
2021-06-01,1650
2021-07-01,1597
2021-08-01,1594
2021-09-01,1577
2021-10-01,1579
2021-11-01,1705
2021-12-01,1722
2022-01-01,1702
2022-02-01,1735
2022-03-01,1712
2022-04-01,1820
2022-05-01,1531
2022-06-01,1551
2022-07-01,1381
2022-08-01,1531
2022-09-01,1488
2022-10-01,1435
2022-11-01,1424
2022-12-01,1308
2023-01-01,1361
2023-02-01,1399
2023-03-01,1377
2023-04-01,1354
2023-05-01,1584
2023-06-01,1421
2023-07-01,1460
2023-08-01,1317
2023-09-01,1371
2023-10-01,1368
2023-11-01,1514
2023-12-01,1521
2024-01-01,1381
2024-02-01,1552
2024-03-01,1312
2024-04-01,1385
2024-05-01,1316
2024-06-01,1327
2024-07-01,1265
2024-08-01,1391
2024-09-01,1357
2024-10-01,1352
2024-11-01,1295
2024-12-01,1514
2025-01-01,1358
2025-02-01,1490
2025-03-01,1355
2025-04-01,1398
2025-05-01,1282
2025-06-01,1382
2025-07-01,1420
2025-08-01,1291
2025-09-01,1328
2025-10-01,1272
2025-11-01,1324
2025-12-01,1387
2026-01-01,1487