add split 19 (year 2019)

data/19.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fd12d24a4436cd853b0f887730197684d847188dd7df5e84e725deb2bc94cc45
-size 4602670
+oid sha256:2537fa0b8880a4623fdc8a12f52a1f8e0e5817330f2150f3f2bd17b6863b4b46
+size 4596806