Year	Dollars
1992-01-01	2989150
1997-01-01	15055053
2002-01-01	8658579
2003-01-01	14253671
2004-01-01	13596309
2005-01-01	38208647
2006-01-01	41078200
2007-01-01	79357960
2008-01-01	102320215
2009-01-01	44247100
2010-01-01	26392661
2011-01-01	51681403
2012-01-01	82585020
2013-01-01	50646501
2014-01-01	68638565
2015-01-01	39558570
2016-01-01	43622161