Year	Dollars
1992-01-01	9777692
1997-01-01	16340038
2002-01-01	10809170
2003-01-01	12331324
2004-01-01	16576033
2005-01-01	16700118
2006-01-01	31219488
2007-01-01	35807068
2008-01-01	36935947
2009-01-01	15932730
2010-01-01	9739788
2011-01-01	12892596
2012-01-01	15616840
2013-01-01	19817926
2014-01-01	20873299
2015-01-01	13284809
2016-01-01	24624689