Year	Dollars
1992-01-01	224229955
1997-01-01	257594648
2002-01-01	209214770
2003-01-01	232475639
2004-01-01	274163500
2005-01-01	302975277
2006-01-01	353028834
2007-01-01	419830493
2008-01-01	384039233
2009-01-01	314851041
2010-01-01	464901550
2011-01-01	590809724
2012-01-01	493890735
2013-01-01	414790658
2014-01-01	394155347
2015-01-01	374659827
2016-01-01	346879026