Year	Dollars
1992-01-01	4198460
1997-01-01	2853422
2002-01-01	7761767
2003-01-01	10971351
2004-01-01	11665316
2005-01-01	10837382
2006-01-01	11999991
2007-01-01	12548165
2008-01-01	16608864
2009-01-01	21050165
2010-01-01	12103713
2011-01-01	16181783
2012-01-01	12152593
2013-01-01	13796476
2014-01-01	11449371
2015-01-01	11623762
2016-01-01	19429346