Year	Dollars
1992-01-01	32101419
1997-01-01	39468108
2002-01-01	41127369
2003-01-01	64201923
2004-01-01	48251571
2005-01-01	84249235
2006-01-01	73441826
2007-01-01	225047214
2008-01-01	425288048
2009-01-01	376839928
2010-01-01	262033905
2011-01-01	306054747
2012-01-01	487246986
2013-01-01	379201626
2014-01-01	454587810
2015-01-01	541685470
2016-01-01	529878364