Year	Dollars
1992-01-01	3273435
1997-01-01	4970984
2002-01-01	7093116
2003-01-01	9138748
2004-01-01	13002285
2005-01-01	16816038
2006-01-01	17703354
2007-01-01	17243474
2008-01-01	15410716
2009-01-01	12726599
2010-01-01	21790696
2011-01-01	19880707
2012-01-01	17016783
2013-01-01	20974691
2014-01-01	22249391
2015-01-01	23031561
2016-01-01	24573319