Year	Dollars
2002-01-01	1456118
2003-01-01	3260616
2004-01-01	9229765
2005-01-01	7563882
2006-01-01	4574982
2007-01-01	6444031
2008-01-01	13715975
2009-01-01	6287201
2010-01-01	13559623
2012-01-01	14616970
2013-01-01	18739544
2014-01-01	22385774
2015-01-01	17817653
2016-01-01	23657708