Year	Dollars
1997-01-01	300577
2002-01-01	556007
2003-01-01	646301
2004-01-01	878275
2005-01-01	942537
2006-01-01	1822886
2007-01-01	3162729
2008-01-01	1330773
2009-01-01	1437474
2010-01-01	1910367
2011-01-01	649662
2012-01-01	1163242
2013-01-01	1182596
2014-01-01	831954
2015-01-01	702922
2016-01-01	566389