Year	Dollars
1997-01-01	131322
2002-01-01	990362
2003-01-01	1321625
2004-01-01	636443
2005-01-01	614283
2006-01-01	483701
2007-01-01	527563
2008-01-01	400390
2009-01-01	530028
2010-01-01	825137
2011-01-01	476616
2012-01-01	3504687
2014-01-01	2848557
2015-01-01	3183919