Year	Dollars
1997-01-01	90315
2002-01-01	285068
2003-01-01	253621
2004-01-01	469218
2005-01-01	216903
2006-01-01	452431
2007-01-01	2387519
2008-01-01	1204960
2009-01-01	967712
2010-01-01	1163201
2011-01-01	1562691
2012-01-01	2935518
2013-01-01	1035875
2015-01-01	7164486