Year	US Dollars, Monthly Level
1966-01-01	232330000000.00000
1967-01-01	250340000000.00000
1968-01-01	272540000000.00003
1969-01-01	305250000000.00000
1970-01-01	337880000000.00000
1971-01-01	358190000000.00000
1972-01-01	390700000000.00000
1973-01-01	438950000000.00000
1974-01-01	457260000000.00000
1975-01-01	429130000000.00000
1976-01-01	479820000000.00000
1977-01-01	499500000000.00000
1978-01-01	528679999999.99994
1979-01-01	571220000000.00000
1980-01-01	592060000000.00000
1981-01-01	608510000000.00000
1982-01-01	596040000000.00000
1983-01-01	624180000000.00000
1984-01-01	708530000000.00000
1985-01-01	802980000000.00000
1986-01-01	772720000000.00000
1987-01-01	776550000000.00000
1988-01-01	869600000000.00000
1989-01-01	902840000000.00000
1990-01-01	916070000000.00000
1991-01-01	1008020000000.00000
1992-01-01	1203410000000.00000
1993-01-01	1361960000000.00000
1994-01-01	1443760000000.00000
1995-01-01	1678680000000.00000
1996-01-01	1871830000000.00000
1997-01-01	2053420000000.00000
1998-01-01	2025220000000.00000
1999-01-01	2036260000000.00000
2000-01-01	2350290000000.00000
2001-01-01	2461320000000.00000
2002-01-01	2704390000000.00000
2003-01-01	3084820000000.00000
2004-01-01	3655010000000.00000
2005-01-01	4114970000000.00050
2006-01-01	4632940000000.00000
2007-01-01	5245290000000.00000
2008-01-01	5686800000000.00000
2009-01-01	5167560000000.00000
2010-01-01	5940520000000.00000
2011-01-01	6441470000000.00000
2012-01-01	6754000000000.00000
2013-01-01	7050600000000.00000