Month Thousands Of Cars 1920-01-01 30.1000 1920-02-01 31.5000 1920-03-01 28.4000 1920-04-01 33.4000 1920-05-01 21.1000 1920-06-01 35.0000 1920-07-01 34.3000 1920-08-01 35.4000 1920-09-01 36.2000 1920-10-01 37.5000 1920-11-01 37.6000 1920-12-01 34.4000 1921-01-01 33.4000 1921-02-01 35.3000 1921-03-01 33.9000 1921-04-01 35.4000 1921-05-01 34.0000 1921-06-01 36.2000 1921-07-01 34.3000 1921-08-01 37.2000 1921-09-01 39.5000 1921-10-01 42.8000 1921-11-01 43.2000 1921-12-01 43.3000 1922-01-01 39.7000 1922-02-01 42.1000 1922-03-01 43.3000 1922-04-01 41.8000 1922-05-01 42.6000 1922-06-01 42.9000 1922-07-01 43.1000 1922-08-01 43.6000 1922-09-01 46.8000 1922-10-01 49.5000 1922-11-01 48.6000 1922-12-01 48.4000 1923-01-01 47.6000 1923-02-01 49.7000 1923-03-01 51.9000 1923-04-01 49.8000 1923-05-01 48.7000 1923-06-01 50.5000 1923-07-01 48.3000 1923-08-01 47.9000 1923-09-01 51.6000 1923-10-01 53.4000 1923-11-01 54.6000 1923-12-01 51.1000 1924-01-01 50.3000 1924-02-01 53.5000 1924-03-01 54.8000 1924-04-01 51.9000 1924-05-01 51.7000 1924-06-01 51.6000 1924-07-01 50.8000 1924-08-01 51.8000 1924-09-01 54.0000 1924-10-01 56.7000 1924-11-01 55.9000 1924-12-01 55.9000 1925-01-01 53.4000 1925-02-01 55.1000 1925-03-01 54.8000 1925-04-01 51.5000 1925-05-01 51.1000 1925-06-01 51.6000 1925-07-01 49.9000 1925-08-01 51.8000 1925-09-01 55.6000 1925-10-01 58.2000 1925-11-01 57.5000 1925-12-01 55.7000 1926-01-01 53.0000 1926-02-01 57.7000 1926-03-01 58.6000 1926-04-01 55.4000 1926-05-01 53.7000 1926-06-01 55.8000 1926-07-01 52.8000 1926-08-01 54.4000 1926-09-01 55.5000 1926-10-01 58.7000 1926-11-01 57.3000 1926-12-01 52.1000 1927-01-01 48.6000 1927-02-01 53.2000 1927-03-01 53.4000 1927-04-01 51.0000 1927-05-01 52.3000 1927-06-01 51.1000 1927-07-01 48.4000 1927-08-01 49.1000 1927-09-01 52.8000 1927-10-01 58.0000 1927-11-01 55.1000 1927-12-01 53.5000 1928-01-01 51.8000 1928-02-01 55.4000 1928-03-01 56.1000 1928-04-01 52.6000 1928-05-01 51.7000 1928-06-01 53.4000 1928-07-01 50.1000 1928-08-01 52.3000 1928-09-01 56.6000 1928-10-01 57.2000 1928-11-01 58.4000 1928-12-01 54.2000 1929-01-01 50.7000 1929-02-01 51.9000 1929-03-01 56.0000 1929-04-01 57.1000 1929-05-01 53.7000 1929-06-01 55.6000 1929-07-01 53.4000 1929-08-01 53.4000 1929-09-01 56.3000 1929-10-01 59.3000 1929-11-01 58.4000 1929-12-01 56.7000 1930-07-01 56.7000 1930-08-01 56.7000 1930-09-01 60.2000 1930-10-01 63.1000 1930-11-01 60.5000 1930-12-01 58.7000 1931-01-01 53.7000 1931-02-01 56.6000 1931-03-01 57.7000 1931-04-01 55.2000 1931-05-01 54.0000 1931-06-01 54.9000 1931-07-01 51.0000 1931-08-01 51.7000 1931-09-01 54.4000 1931-10-01 57.1000 1931-11-01 54.2000 1931-12-01 46.7000 1932-01-01 44.5000 1932-02-01 48.3000 1932-03-01 47.8000 1932-04-01 48.8000 1932-05-01 45.9000 1932-06-01 47.3000 1932-07-01 44.0000 1932-08-01 43.4000 1932-09-01 47.3000 1932-10-01 50.4000 1932-11-01 51.5000 1932-12-01 48.8000 1933-01-01 43.0000 1933-02-01 46.3000 1933-03-01 47.6000 1933-04-01 45.1000 1933-05-01 45.4000 1933-06-01 44.5000 1933-07-01 42.7000 1933-08-01 42.4000 1933-09-01 46.0000 1933-10-01 49.3000 1933-11-01 47.6000 1933-12-01 42.9000 1934-01-01 42.1000 1934-02-01 44.1000 1934-03-01 45.0000 1934-04-01 42.3000 1934-05-01 40.7000 1934-06-01 41.9000 1934-07-01 39.7000 1934-08-01 39.8000 1934-09-01 43.0000 1934-10-01 45.7000 1934-11-01 44.7000 1934-12-01 41.0000 1935-01-01 37.2000 1935-02-01 40.0000 1935-03-01 41.3000 1935-04-01 39.5000 1935-05-01 39.9000 1935-06-01 40.1000 1935-07-01 38.0000 1935-08-01 36.9000 1935-09-01 41.9000 1935-10-01 44.3000 1935-11-01 42.8000 1935-12-01 39.5000 1936-01-01 37.7000 1936-02-01 41.1000 1936-03-01 42.3000 1936-04-01 39.7000 1936-05-01 39.4000 1936-06-01 38.6000 1936-07-01 38.5000 1936-08-01 37.2000 1936-09-01 40.3000 1936-10-01 46.3000 1936-11-01 46.3000 1936-12-01 43.2000 1937-01-01 40.1000 1937-02-01 42.5000 1937-03-01 41.3000 1937-04-01 41.9000 1937-05-01 39.8000 1937-06-01 41.8000 1937-07-01 39.7000 1937-08-01 36.9000 1937-09-01 41.4000 1937-10-01 45.6000 1937-11-01 44.7000 1937-12-01 44.6000 1938-01-01 39.8000 1938-02-01 41.4000 1938-03-01 42.0000 1938-04-01 49.8000 1938-05-01 41.2000 1938-06-01 40.6000 1938-07-01 38.5000 1938-08-01 35.5000 1938-09-01 39.8000 1938-10-01 43.1000 1938-11-01 42.9000 1938-12-01 40.2000 1939-01-01 40.8000 1939-02-01 41.9000 1939-03-01 42.2000 1939-04-01 40.6000 1939-05-01 40.4000 1939-06-01 43.0000 1939-07-01 40.2000