Year	Dollars
1992-01-01	469134
1997-01-01	1061078
2002-01-01	7687148
2003-01-01	29271979
2004-01-01	7463485
2005-01-01	7654981
2006-01-01	8795000
2007-01-01	11177961
2008-01-01	15376949
2009-01-01	13201051
2010-01-01	18642699
2011-01-01	23176064
2012-01-01	33830606
2013-01-01	32692639
2014-01-01	46416284
2015-01-01	32527485
2016-01-01	26489763