Monthly Thousand Units Started
1939-01-01 29.7000
1939-02-01 29.6000
1939-03-01 41.8000
1939-04-01 41.9000
1939-05-01 44.2000
1939-06-01 41.2000
1939-07-01 37.9000
1939-08-01 42.8000
1939-09-01 39.2000
1939-10-01 41.4000
1939-11-01 38.0000
1939-12-01 30.7000
1940-01-01 24.1000
1940-02-01 30.9000
1940-03-01 43.7000
1940-04-01 52.4000
1940-05-01 53.0000
1940-06-01 47.8000
1940-07-01 52.4000
1940-08-01 51.2000
1940-09-01 50.4000
1940-10-01 52.0000
1940-11-01 38.2000
1940-12-01 33.5000
1941-01-01 36.5000
1941-02-01 35.2000
1941-03-01 51.2000
1941-04-01 61.6000
1941-05-01 65.1000
1941-06-01 64.1000
1941-07-01 68.0000
1941-08-01 61.2000
1941-09-01 53.8000
1941-10-01 51.0000
1941-11-01 41.8000
1941-12-01 30.0000
1942-01-01 27.8000
1942-02-01 35.5000
1942-03-01 47.7000
1942-04-01 42.0000
1942-05-01 20.4000
1942-06-01 18.7000
1942-07-01 20.7000
1942-08-01 21.6000
1942-09-01 21.6000
1942-10-01 18.1000
1942-11-01 14.5000
1942-12-01 12.6000
1943-01-01 9.30000
1943-02-01 9.80000
1943-03-01 14.9000
1943-04-01 15.2000
1943-05-01 18.9000
1943-06-01 17.6000
1943-07-01 16.7000
1943-08-01 19.6000
1943-09-01 16.3000
1943-10-01 18.0000
1943-11-01 14.4000
1943-12-01 13.0000
1944-01-01 12.2000
1944-02-01 11.7000
1944-03-01 13.4000
1944-04-01 12.8000
1944-05-01 14.7000
1944-06-01 15.1000
1944-07-01 12.4000
1944-08-01 11.1000
1944-09-01 9.40000
1944-10-01 9.70000
1944-11-01 9.00000
1944-12-01 7.20000
1945-01-01 7.00000
1945-02-01 7.50000
1945-03-01 10.6000
1945-04-01 12.4000
1945-05-01 14.6000
1945-06-01 18.3000
1945-07-01 16.6000
1945-08-01 17.0000
1945-09-01 20.1000
1945-10-01 25.6000
1945-11-01 29.3000
1945-12-01 29.1000