Year	Dollars
1992-01-01	54639594
1997-01-01	184422633
2002-01-01	313740449
2003-01-01	277230859
2004-01-01	367085436
2005-01-01	233896121
2006-01-01	156054470
2007-01-01	203254301
2008-01-01	181910856
2009-01-01	76623265
2010-01-01	57104923
2011-01-01	111341368
2012-01-01	107913754
2013-01-01	159038401
2014-01-01	170864278
2015-01-01	142458396
2016-01-01	74364885