Year	Dollars
1992-01-01	1266723
1997-01-01	5401563
2002-01-01	3994519
2003-01-01	4204381
2004-01-01	3748200
2005-01-01	5118594
2006-01-01	5348387
2007-01-01	5983630
2008-01-01	14216670
2009-01-01	3995118
2010-01-01	3743207
2011-01-01	3596512
2012-01-01	3288178
2013-01-01	3382746
2014-01-01	5281998
2015-01-01	3719220
2016-01-01	4140104