Monthly Number Of Units
1939-01-01 20626.0
1939-02-01 20533.0
1939-03-01 29046.0
1939-04-01 27640.0
1939-05-01 29093.0
1939-06-01 27141.0
1939-07-01 24120.0
1939-08-01 27310.0
1939-09-01 25007.0
1939-10-01 27472.0
1939-11-01 25221.0
1939-12-01 20338.0
1940-01-01 15981.0
1940-02-01 20974.0
1940-03-01 28513.0
1940-04-01 34194.0
1940-05-01 33237.0
1940-06-01 27694.0
1940-07-01 31580.0
1940-08-01 31630.0
1940-09-01 31082.0
1940-10-01 33157.0
1940-11-01 23475.0
1940-12-01 21649.0
1941-01-01 24361.0
1941-02-01 21795.0
1941-03-01 31838.0
1941-04-01 38316.0
1941-05-01 39405.0
1941-06-01 37302.0
1941-07-01 40474.0
1941-08-01 34029.0
1941-09-01 30801.0
1941-10-01 29709.0
1941-11-01 24337.0
1941-12-01 17098.0
1942-01-01 16956.0
1942-02-01 21599.0
1942-03-01 28988.0
1942-04-01 25422.0
1942-05-01 12381.0
1942-06-01 11344.0
1942-07-01 12838.0
1942-08-01 13397.0
1942-09-01 13312.0
1942-10-01 11518.0
1942-11-01 9144.00
1942-12-01 7993.00
1943-01-01 5870.00
1943-02-01 6115.00
1943-03-01 9299.00
1943-04-01 9868.00
1943-05-01 12346.0
1943-06-01 11422.0
1943-07-01 11086.0
1943-08-01 13088.0
1943-09-01 10906.0
1943-10-01 11840.0
1943-11-01 9412.00
1943-12-01 8462.00
1944-01-01 8222.00
1944-02-01 7860.00
1944-03-01 9020.00
1944-04-01 8528.00
1944-05-01 9743.00
1944-06-01 9973.00
1944-07-01 8114.00
1944-08-01 7273.00
1944-09-01 6228.00
1944-10-01 6882.00
1944-11-01 6364.00
1944-12-01 4966.00
1945-01-01 5014.00
1945-02-01 5315.00
1945-03-01 7949.00
1945-04-01 9420.00
1945-05-01 11123.0
1945-06-01 12010.0
1945-07-01 12950.0
1945-08-01 12893.0
1945-09-01 14405.0
1945-10-01 18717.0
1945-11-01 20104.0
1945-12-01 19299.0
1946-01-01 25941.0
1946-02-01 28737.0
1946-03-01 50834.0
1946-04-01 45278.0
1946-05-01 43557.0
1946-06-01 38150.0
1946-07-01 37967.0
1946-08-01 38661.0
1946-09-01 35046.0
1946-10-01 36098.0
1946-11-01 28552.0
1946-12-01 21374.0
1947-01-01 24286.0
1947-02-01 27144.0
1947-03-01 37163.0
1947-04-01 42566.0
1947-05-01 41020.0
1947-06-01 46039.0
1947-07-01 47132.0
1947-08-01 51121.0
1947-09-01 51963.0
1947-10-01 56822.0
1947-11-01 41034.0
1947-12-01 36022.0
1948-01-01 32534.0
1948-02-01 32185.0
1948-03-01 50565.0
1948-04-01 64317.0
1948-05-01 52510.0
1948-06-01 54231.0
1948-07-01 47433.0
1948-08-01 46604.0
1948-09-01 39309.0
1948-10-01 38503.0
1948-11-01 32435.0
1948-12-01 25553.0
1949-01-01 23532.0
1949-02-01 26714.0
1949-03-01 42510.0
1949-04-01 51254.0
1949-05-01 54414.0
1949-06-01 55599.0
1949-07-01 48522.0
1949-08-01 57121.0
1949-09-01 62457.0
1949-10-01 57355.0
1949-11-01 52386.0
1949-12-01 43422.0
1950-01-01 49733.0
1950-02-01 53439.0
1950-03-01 79366.0
1950-04-01 81564.0
1950-05-01 88963.0
1950-06-01 83013.0
1950-07-01 79587.0
1950-08-01 79253.0
1950-09-01 58372.0
1950-10-01 55198.0
1950-11-01 44966.0
1950-12-01 45045.0
1951-01-01 49637.0
1951-02-01 39778.0
1951-03-01 50886.0
1951-04-01 50851.0
1951-05-01 54713.0
1951-06-01 47087.0
1951-07-01 42046.0
1951-08-01 47200.0
1951-09-01 50537.0
1951-10-01 42216.0
1951-11-01 32833.0
1951-12-01 26821.0
1952-01-01 34426.0
1952-02-01 43237.0
1952-03-01 50026.0
1952-04-01 56105.0
1952-05-01 53052.0
1952-06-01 48909.0
1952-07-01 50554.0
1952-08-01 48768.0
1952-09-01 52528.0
1952-10-01 52785.0
1952-11-01 38314.0
1952-12-01 33905.0
1953-01-01 35103.0
1953-02-01 40199.0
1953-03-01 56153.0
1953-04-01 57303.0
1953-05-01 52742.0
1953-06-01 51749.0
1953-07-01 46697.0
1953-08-01 44528.0
1953-09-01 42939.0
1953-10-01 43148.0
1953-11-01 34363.0
1953-12-01 32074.0
1954-01-01 33173.0
1954-02-01 37819.0
1954-03-01 53662.0
1954-04-01 56942.0
1954-05-01 52703.0
1954-06-01 59526.0