Year	Dollars
1992-01-01	21592056
1997-01-01	26709513
2002-01-01	74741767
2003-01-01	102220251
2004-01-01	66336961
2005-01-01	107438927
2006-01-01	144449376
2007-01-01	297311071
2008-01-01	142483368
2009-01-01	136997453
2010-01-01	165749922
2011-01-01	175891358
2012-01-01	149782819
2013-01-01	155523804
2014-01-01	129716809
2015-01-01	165859964
2016-01-01	276055064