Month 1913=100 1919-01-01 126.000 1919-02-01 127.000 1919-03-01 130.000 1919-04-01 130.000 1919-05-01 130.000 1919-06-01 135.000 1919-07-01 139.000 1919-08-01 143.000 1919-09-01 144.000 1919-10-01 141.000 1919-11-01 144.000 1919-12-01 145.000 1920-01-01 145.000 1920-02-01 148.000 1920-03-01 159.000 1920-04-01 160.000 1920-05-01 157.000 1920-06-01 158.000 1920-07-01 155.000 1920-08-01 158.000 1920-09-01 159.000 1920-10-01 162.000 1920-11-01 163.000 1920-12-01 161.000 1921-01-01 156.000 1921-02-01 155.000 1921-03-01 154.000 1921-04-01 151.000 1921-05-01 150.000 1921-06-01 152.000 1921-07-01 152.000 1921-08-01 152.000 1921-09-01 152.000 1921-10-01 152.000 1921-11-01 150.000 1921-12-01 140.000 1922-01-01 139.000 1922-02-01 131.000 1922-03-01 128.000 1922-04-01 124.000 1922-05-01 123.000 1922-06-01 124.000 1922-07-01 123.000 1922-08-01 125.000 1922-09-01 129.000 1922-10-01 128.000 1922-11-01 126.000 1922-12-01 127.000 1923-01-01 125.000 1923-02-01 123.000 1923-03-01 123.000 1923-04-01 120.000 1923-05-01 118.000 1923-06-01 117.000 1923-07-01 123.000 1923-08-01 120.000 1923-09-01 119.000 1923-10-01 120.000 1923-11-01 125.000 1923-12-01 126.000 1924-01-01 129.000 1924-02-01 127.000 1924-03-01 126.000 1924-04-01 124.000 1924-05-01 123.000 1924-06-01 123.000 1924-07-01 124.000 1924-08-01 124.000 1924-09-01 123.000 1924-10-01 123.000 1924-11-01 121.000 1924-12-01 122.000 1925-01-01 122.000 1925-02-01 121.000 1925-03-01 123.000 1925-04-01 123.000 1925-05-01 124.000 1925-06-01 126.000 1925-07-01 126.000 1925-08-01 123.000 1925-09-01 125.000 1925-10-01 125.000 1925-11-01 126.000 1925-12-01 128.000 1926-01-01 127.000 1926-02-01 127.000 1926-03-01 128.000 1926-04-01 129.000 1926-05-01 127.000 1926-06-01 126.000 1926-07-01 126.000 1926-08-01 127.000 1926-09-01 129.000 1926-10-01 130.000 1926-11-01 129.000 1926-12-01 129.000 1927-01-01 126.000 1927-02-01 126.000 1927-03-01 127.000 1927-04-01 127.000 1927-05-01 126.000 1927-06-01 127.000 1927-07-01 127.000 1927-08-01 127.000 1927-09-01 127.000 1927-10-01 127.000 1927-11-01 127.000 1927-12-01 127.000 1928-01-01 124.000 1928-02-01 125.000 1928-03-01 124.000 1928-04-01 123.000 1928-05-01 123.000 1928-06-01 123.000 1928-07-01 123.000 1928-08-01 124.000 1928-09-01 124.000 1928-10-01 124.000 1928-11-01 123.000 1928-12-01 123.000 1929-01-01 122.000 1929-02-01 124.000 1929-03-01 127.000 1929-04-01 127.000 1929-05-01 126.000 1929-06-01 128.000 1929-07-01 128.000 1929-08-01 130.000 1929-09-01 131.000 1929-10-01 131.000 1929-11-01 130.000 1929-12-01 130.000 1930-01-01 129.000 1930-02-01 128.000 1930-03-01 125.000 1930-04-01 122.000 1930-05-01 123.000 1930-06-01 124.000 1930-07-01 123.000 1930-08-01 123.000 1930-09-01 123.000 1930-10-01 121.000