Year	Dollars
1997-01-01	2266094
2002-01-01	5133560
2003-01-01	3599967
2004-01-01	4812370
2005-01-01	5499381
2006-01-01	6781587
2007-01-01	12513469
2008-01-01	17046922
2009-01-01	9015312
2010-01-01	10740359
2011-01-01	7464151
2012-01-01	12020006
2013-01-01	18881593
2014-01-01	21218103
2015-01-01	20104586
2016-01-01	17357348