Year	Dollars
1997-01-01	1492859
2003-01-01	611652
2004-01-01	625818
2005-01-01	1329245
2006-01-01	2314801
2007-01-01	1432451
2008-01-01	4066600
2009-01-01	1114155
2010-01-01	2121296
2011-01-01	4603059
2012-01-01	8622757
2013-01-01	11301843
2014-01-01	7940554
2015-01-01	3932994
2016-01-01	5640848