Year	Dollars
1992-01-01	16873984
1997-01-01	38918176
2002-01-01	27580769
2003-01-01	20917709
2004-01-01	21394532
2005-01-01	21483055
2006-01-01	36785365
2007-01-01	20514360
2008-01-01	24133835
2009-01-01	26767477
2010-01-01	29286514
2011-01-01	34014184
2012-01-01	34418530
2013-01-01	42422055
2014-01-01	58128796
2015-01-01	52254828
2016-01-01	40506720