Year	Dollars
1992-01-01	3213893
1997-01-01	1985984
2002-01-01	2680900
2003-01-01	3401685
2004-01-01	4536414
2005-01-01	5731589
2006-01-01	4289270
2007-01-01	4396491
2008-01-01	3527756
2009-01-01	11450278
2010-01-01	13795368
2011-01-01	20745316
2012-01-01	19154280
2013-01-01	16509616
2014-01-01	25866554
2015-01-01	14833004
2016-01-01	16422551