Year	Dollars
1992-01-01	3567320
1997-01-01	6339843
2002-01-01	3306012
2003-01-01	2686993
2004-01-01	3589493
2005-01-01	11666872
2006-01-01	14610018
2007-01-01	15729413
2008-01-01	14880627
2009-01-01	10670303
2010-01-01	15661649
2011-01-01	22162995
2012-01-01	30481475
2013-01-01	38796797
2014-01-01	28911625
2015-01-01	32968596
2016-01-01	28062096