Year	Dollars
1992-01-01	13066049
1997-01-01	24423828
2002-01-01	38710725
2003-01-01	42526978
2004-01-01	38977166
2005-01-01	44803680
2006-01-01	53303072
2007-01-01	74127473
2008-01-01	124528091
2009-01-01	192471064
2010-01-01	191391959
2011-01-01	187363272
2012-01-01	131286364
2013-01-01	203900446
2014-01-01	188731446
2015-01-01	140489805
2016-01-01	155507542