Year	Dollars
1992-01-01	159257
1997-01-01	3247802
2002-01-01	9464696
2003-01-01	10324960
2004-01-01	5775444
2005-01-01	4206954
2006-01-01	9382068
2007-01-01	10164631
2008-01-01	14109855
2009-01-01	9523804
2010-01-01	13739708
2011-01-01	17742558
2012-01-01	29761698
2013-01-01	29297189
2014-01-01	51631368
2015-01-01	21566809
2016-01-01	9877255