Year	US Dollars, Sum Over Component Sub-periods
1992-01-01	28261000000
1993-01-01	26747000000
1994-01-01	30062000000
1995-01-01	24354000000
1996-01-01	24525000000
1997-01-01	21925000000
1998-01-01	23263000000
1999-01-01	23395000000
2000-01-01	23002000000
2001-01-01	23926000000
2002-01-01	25931000000
2003-01-01	32560000000
2004-01-01	37847000000
2005-01-01	42271000000
2006-01-01	45658000000
2007-01-01	54265000000
2008-01-01	63446000000
2009-01-01	54498000000
2010-01-01	54483000000
2011-01-01	61160000000
2012-01-01	60507000000
2013-01-01	65148000000