Year	Dollars
1997-01-01	1614141
2002-01-01	834402
2003-01-01	1319119
2004-01-01	1273973
2005-01-01	2589743
2006-01-01	2576213
2007-01-01	10720335
2008-01-01	6468562
2009-01-01	2871846
2010-01-01	6294609
2011-01-01	5112557
2012-01-01	4441157
2013-01-01	3419998
2014-01-01	5658472
2015-01-01	3834969
2016-01-01	2641501