Year	US Dollars, Sum Over Component Sub-periods
1998-01-01	136900000000
1999-01-01	158700000000
2000-01-01	214700000000
2001-01-01	232100000000
2002-01-01	281500000000
2003-01-01	393900000000
2004-01-01	534400000000
2005-01-01	628300000000
2006-01-01	751900000000
2007-01-01	904100000000
2008-01-01	1074100000000
2009-01-01	954300000000
2010-01-01	1327200000000
2011-01-01	1660400000000
2012-01-01	1740400000000