Year	Dollars
1992-01-01	31496808
1997-01-01	23528142
2002-01-01	46373026
2003-01-01	57678603
2004-01-01	76573361
2005-01-01	90036695
2006-01-01	84009986
2007-01-01	106274690
2008-01-01	192947440
2009-01-01	130964485
2010-01-01	235143738
2011-01-01	344241540
2012-01-01	269709745
2013-01-01	411328361
2014-01-01	264516173
2015-01-01	157887977
2016-01-01	213206269