month,value 1949-01,112 1949-02,118 1949-03,132 1949-04,129 1949-05,121 1949-06,135 1949-07,148 1949-08,148 1949-09,136 1949-10,119 1949-11,104 1949-12,118 1950-01,115 1950-02,126 1950-03,141 1950-04,135 1950-05,125 1950-06,149 1950-07,170 1950-08,170 1950-09,158 1950-10,133 1950-11,114 1950-12,140 1951-01,145 1951-02,150 1951-03,178 1951-04,163 1951-05,172 1951-06,178 1951-07,199 1951-08,199 1951-09,184 1951-10,162 1951-11,146 1951-12,166