Year	Dollars
1997-01-01	1404080
2002-01-01	624739
2003-01-01	491102
2004-01-01	366310
2006-01-01	1255045
2007-01-01	1474454
2008-01-01	14413625
2009-01-01	6304134
2011-01-01	4414703
2012-01-01	2622823
2013-01-01	1974291
2014-01-01	1160446
2015-01-01	1221915
2016-01-01	1404793