Year	Dollars
1992-01-01	13852175
1997-01-01	8275808
2002-01-01	25984006
2003-01-01	40383726
2004-01-01	38172116
2005-01-01	45785981
2006-01-01	32841206
2007-01-01	51323001
2008-01-01	44985776
2009-01-01	37938322
2010-01-01	109166844
2011-01-01	91683188
2012-01-01	56708600
2013-01-01	56378563
2014-01-01	62771736
2015-01-01	50983185
2016-01-01	50350179