Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	7949000000
1996-01-01	8398000000
1997-01-01	9253000000
1998-01-01	10086000000
1999-01-01	12208000000
2000-01-01	15793000000
2001-01-01	12395000000
2002-01-01	11750000000
2003-01-01	13076000000
2004-01-01	15306000000
2005-01-01	16718000000
2006-01-01	18945000000
2007-01-01	21362000000
2008-01-01	24906000000
2009-01-01	22495000000
2010-01-01	25431000000
2011-01-01	27013000000
2012-01-01	31329000000
2013-01-01	33792000000
2014-01-01	34071000000