Year	Dollars
1992-01-01	4648479
1997-01-01	5332624
2002-01-01	2920238
2003-01-01	2591085
2004-01-01	3780034
2005-01-01	3157246
2006-01-01	4433545
2007-01-01	7881858
2008-01-01	7838031
2009-01-01	28733628
2010-01-01	16628575
2011-01-01	15480856
2012-01-01	14191503
2013-01-01	12620582
2014-01-01	14759417
2015-01-01	29328028
2016-01-01	19121168