Year	Dollars
1992-01-01	1288298
1997-01-01	13369438
2002-01-01	10768969
2003-01-01	11359520
2004-01-01	19993383
2005-01-01	15497863
2006-01-01	15952914
2007-01-01	23348505
2008-01-01	27545985
2009-01-01	21561480
2010-01-01	24885420
2011-01-01	42657419
2012-01-01	33123465
2013-01-01	28789242
2014-01-01	32887839
2015-01-01	32622453
2016-01-01	29965223