Year	Dollars
1997-01-01	662629
2002-01-01	1224809
2003-01-01	613287
2004-01-01	561157
2005-01-01	260763
2006-01-01	116618
2007-01-01	225341
2008-01-01	568098
2009-01-01	838607
2010-01-01	1117584
2011-01-01	1522872
2012-01-01	819335
2013-01-01	2872091
2014-01-01	1267255
2015-01-01	1596458
2016-01-01	986001