Year	Dollars
1992-01-01	8139062
1997-01-01	6972188
2002-01-01	8789773
2003-01-01	9273609
2004-01-01	14842816
2005-01-01	9466486
2006-01-01	13707954
2007-01-01	13534212
2008-01-01	19543484
2009-01-01	18484108
2010-01-01	28030944
2011-01-01	14353607
2012-01-01	15723923
2013-01-01	21340612
2014-01-01	22070886
2015-01-01	25354524