Year	US Dollars, Sum Over Component Sub-periods
1991-01-01	9252390000
1992-01-01	10047050000
1993-01-01	8124820000
1994-01-01	7631540000
1995-01-01	14640440000
1996-01-01	15995340000
1997-01-01	19338220000
1998-01-01	23721640000
1999-01-01	25640820000
2000-01-01	28810220000
2001-01-01	31074870000
2002-01-01	34736300000
2003-01-01	43221550000
2004-01-01	55736710000
2005-01-01	61703920000
2006-01-01	73455700000
2007-01-01	93066420000
2008-01-01	106104340000
2009-01-01	80223120000
2010-01-01	88800310000
2011-01-01	103715650000
2012-01-01	97312950000
2013-01-01	103432410000