Year	Dollars
1992-01-01	44147384
1997-01-01	127307127
2002-01-01	395705103
2003-01-01	428428569
2004-01-01	307244534
2005-01-01	225386124
2006-01-01	810462540
2007-01-01	718503825
2008-01-01	646578637
2009-01-01	506884029
2010-01-01	685441280
2011-01-01	311825980
2012-01-01	478534130
2013-01-01	521621569
2014-01-01	336693127
2015-01-01	277837624
2016-01-01	327615084