Year	US Dollars, Monthly Level
1960-01-01	388260000000.00000
1961-01-01	419390000000.00000
1962-01-01	460620000000.00000
1963-01-01	496420000000.00000
1964-01-01	542429999999.99994
1965-01-01	592090000000.00000
1966-01-01	651810000000.00000
1967-01-01	695870000000.00000
1968-01-01	795410000000.00000
1969-01-01	890360000000.00000
1970-01-01	994260000000.00000
1971-01-01	1047250000000.00000
1972-01-01	1170110000000.00000
1973-01-01	1312050000000.00000
1974-01-01	1330000000000.00000
1975-01-01	1224860000000.00000
1976-01-01	1396290000000.00000
1977-01-01	1459970000000.00000
1978-01-01	1547620000000.00000
1979-01-01	1665530000000.00000
1980-01-01	1650470000000.00000
1981-01-01	1651550000000.00000
1982-01-01	1629850000000.00000
1983-01-01	1664390000000.00000
1984-01-01	1811720000000.00000
1985-01-01	1894510000000.00000
1986-01-01	2024990000000.00000
1987-01-01	2174710000000.00000
1988-01-01	2459880000000.00000
1989-01-01	2676260000000.00000
1990-01-01	2830330000000.00000
1991-01-01	2995580000000.00000
1992-01-01	3123770000000.00000
1993-01-01	3191340000000.00000
1994-01-01	3520310000000.00000
1995-01-01	3883660000000.00000
1996-01-01	4219850000000.00050
1997-01-01	4684370000000.00000
1998-01-01	5004180000000.00000
1999-01-01	5345020000000.00000
2000-01-01	5923350000000.00000
2001-01-01	5880550000000.00000
2002-01-01	6062170000000.00000
2003-01-01	6326770000000.00000
2004-01-01	6865700000000.00000
2005-01-01	7269550000000.00000
2006-01-01	7824740000000.00000
2007-01-01	8461100000000.00000
2008-01-01	8411600000000.00000
2009-01-01	7287920000000.00000
2010-01-01	8180480000000.00000
2011-01-01	8527510000000.00000
2012-01-01	8518799999999.99900
2013-01-01	8594940000000.00100