Year	Dollars
1992-01-01	276373250
1997-01-01	318266564
2002-01-01	232554485
2003-01-01	231844583
2004-01-01	231740792
2005-01-01	199222458
2006-01-01	208177412
2007-01-01	206229613
2008-01-01	279276610
2009-01-01	267171618
2010-01-01	370089347
2011-01-01	319849618
2012-01-01	304733471
2013-01-01	360446648
2014-01-01	417760498
2015-01-01	475693802
2016-01-01	360591698