Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	16927000000
1995-01-01	19816000000
1996-01-01	21592000000
1997-01-01	14913000000
1998-01-01	16429000000
1999-01-01	36014000000
2000-01-01	60172000000
2001-01-01	48121000000
2002-01-01	46335000000
2003-01-01	59860000000
2004-01-01	85825000000
2005-01-01	118364000000
2006-01-01	139269000000
2007-01-01	130915000000
2008-01-01	179742000000
2009-01-01	111585000000
2010-01-01	151996000000
2011-01-01	198181000000