Year	1913 Dollars
1919	1730.70
1920	1823.30
1921	1717.00
1922	2090.20
1923	2440.80
1924	2487.60
1925	2773.30
1926	2910.90
1927	2908.30
1928	2894.80
1929	3984.20
1930	2386.20
1931	1820.30
1932	1074.70
1933	1129.50
1934	1261.50
1935	1585.40
1936	2188.90
1937	2358.50
1938	1986.80
1939	2328.00