Year	Dollars
1992-01-01	12124275
1997-01-01	3360786
2002-01-01	4283497
2003-01-01	8533217
2004-01-01	4693511
2005-01-01	5043952
2006-01-01	3338307
2007-01-01	3929419
2008-01-01	5033618
2009-01-01	3816842
2010-01-01	5278252
2011-01-01	14187401
2012-01-01	7814181
2013-01-01	9811087
2014-01-01	21412848
2015-01-01	12071096
2016-01-01	16935592