Year	Dollars
1992-01-01	40120467
1997-01-01	58192056
2002-01-01	72652517
2003-01-01	114080640
2004-01-01	104080436
2005-01-01	91155895
2006-01-01	82821592
2007-01-01	117589381
2008-01-01	134650792
2009-01-01	181323107
2010-01-01	361762623
2011-01-01	414875589
2012-01-01	248451952
2013-01-01	245913936
2014-01-01	257908543
2015-01-01	186609222
2016-01-01	200169418