Year	Dollars
1992-01-01	12976283
1997-01-01	16241888
2002-01-01	19807972
2003-01-01	21830184
2004-01-01	22307152
2005-01-01	21171031
2006-01-01	39638215
2007-01-01	23729631
2008-01-01	21548478
2009-01-01	24500272
2010-01-01	16208984
2011-01-01	75913961
2012-01-01	13339243
2013-01-01	11964271
2014-01-01	18351712
2015-01-01	26276389
2016-01-01	17263264