Quarter Number Of Cars 1941-01-01 29292.0 1941-04-01 57511.0 1941-07-01 11284.0 1941-10-01 8810.00 1942-01-01 13907.0 1942-04-01 4902.00 1942-07-01 3164.00 1942-10-01 6587.00 1943-01-01 10963.0 1943-04-01 2033.00 1943-07-01 18373.0 1943-10-01 5661.00 1944-01-01 16982.0 1944-04-01 10381.0 1944-07-01 4450.00 1944-10-01 22668.0 1945-01-01 6160.00 1945-04-01 4805.00 1945-07-01 20006.0 1945-10-01 6891.00 1946-01-01 8321.00 1946-04-01 9799.00 1946-07-01 35465.0 1946-10-01 13608.0 1947-01-01 34994.0 1947-04-01 29359.0 1947-07-01 27109.0 1947-10-01 28701.0 1948-01-01 32541.0 1948-04-01 24714.0 1948-07-01 14490.0 1948-10-01 21030.0 1949-01-01 2169.00 1949-04-01 772.000 1949-07-01 716.000 1949-10-01 2566.00 1950-01-01 24646.0 1950-04-01 17028.0 1950-07-01 78983.0 1950-10-01 35075.0 1951-01-01 50212.0 1951-04-01 16079.0 1951-07-01 13011.0 1951-10-01 12929.0 1952-01-01 16902.0 1952-04-01 4992.00 1952-07-01 7333.00 1952-10-01 5142.00 1953-01-01 12937.0 1953-04-01 5275.00 1953-10-01 6172.00 1954-01-01 4496.00 1954-04-01 3149.00 1954-07-01 5389.00 1954-10-01 8942.00 1955-01-01 9919.00