Year	Dollars
1992-01-01	102650973
1997-01-01	179064127
2002-01-01	65162655
2003-01-01	67823945
2004-01-01	37535969
2005-01-01	62590234
2006-01-01	130699491
2007-01-01	274718861
2008-01-01	368126958
2009-01-01	127400700
2010-01-01	168093599
2011-01-01	238074822
2012-01-01	108770557
2013-01-01	197958230
2014-01-01	86741010
2015-01-01	54730529
2016-01-01	163305660