Year	Dollars
1997-01-01	73975
2002-01-01	136908
2003-01-01	170876
2004-01-01	2121095
2005-01-01	1445301
2006-01-01	998274
2007-01-01	8566878
2008-01-01	2728374
2009-01-01	2240442
2010-01-01	2558543
2011-01-01	3927534
2012-01-01	4499017
2013-01-01	2674774
2014-01-01	1978829
2015-01-01	3189241
2016-01-01	3102445