Year	Dollars
1997-01-01	156696
2002-01-01	138322
2003-01-01	246089
2004-01-01	942557
2005-01-01	220095
2006-01-01	52959
2007-01-01	264267
2008-01-01	2019695
2009-01-01	209917
2010-01-01	2098636
2011-01-01	354611
2012-01-01	663192
2013-01-01	133596
2014-01-01	557431
2015-01-01	143607
2016-01-01	247325