Year	Dollars
1992-01-01	1446962
1997-01-01	11555695
2002-01-01	2414130
2003-01-01	3779403
2004-01-01	13410521
2006-01-01	13277341
2007-01-01	12806606
2008-01-01	36581944
2009-01-01	29361646
2010-01-01	19779291
2011-01-01	15240714
2012-01-01	1582592
2013-01-01	4281117
2014-01-01	2128784
2015-01-01	15844756
2016-01-01	3012504