Quarter	Millions Of Dollars
1920-01-01	378.000
1920-04-01	471.000
1920-07-01	450.000
1920-10-01	509.000
1921-01-01	615.000
1921-04-01	868.000
1921-07-01	599.000
1921-10-01	905.000
1922-01-01	797.000
1922-04-01	1110.00
1922-07-01	764.000
1922-10-01	621.000
1923-01-01	1034.00
1923-04-01	854.000
1923-07-01	506.000
1923-10-01	918.000
1924-01-01	834.000
1924-04-01	1144.00
1924-07-01	880.000
1924-10-01	861.000
1925-01-01	1116.00
1925-04-01	1150.00
1925-07-01	865.000
1925-10-01	936.000
1926-01-01	1166.00
1926-04-01	1238.00
1926-07-01	900.000
1926-10-01	1121.00
1927-01-01	1606.00
1927-04-01	1787.00
1927-07-01	969.000
1927-10-01	1614.00
1928-01-01	1539.00
1928-04-01	1364.00
1928-07-01	590.000
1928-10-01	1097.00
1929-01-01	1062.00
1929-04-01	1157.00
1929-07-01	748.000
1929-10-01	833.000
1930-01-01	1421.00
1930-04-01	1346.00
1930-07-01	883.000
1930-10-01	649.000