Year	Dollars
1992-01-01	252091725
1997-01-01	414192746
2002-01-01	88912999
2003-01-01	112296854
2004-01-01	157596698
2005-01-01	186780471
2006-01-01	231463883
2007-01-01	304533354
2008-01-01	336116817
2009-01-01	289438935
2010-01-01	344899626
2011-01-01	424782050
2012-01-01	411664064
2013-01-01	364401802
2014-01-01	325456651
2015-01-01	342150183
2016-01-01	326694637