Year	US Dollars, Sum Over Component Sub-periods
1995-01-01	5778000000
1996-01-01	6323000000
1997-01-01	6424000000
1998-01-01	6694000000
1999-01-01	7071000000
2000-01-01	7586000000
2001-01-01	7883000000
2002-01-01	8282000000
2003-01-01	7648000000
2004-01-01	7270000000
2005-01-01	7174000000
2006-01-01	8749000000
2007-01-01	8681000000
2008-01-01	9368000000
2009-01-01	8704000000
2010-01-01	9753000000
2011-01-01	10211000000
2012-01-01	9603000000
2013-01-01	10559000000
2014-01-01	11434000000