Year	Dollars
1992-01-01	8070992
1997-01-01	11167746
2002-01-01	2165560
2003-01-01	2570433
2004-01-01	3054137
2005-01-01	2812648
2006-01-01	5029172
2007-01-01	14286095
2008-01-01	39783922
2009-01-01	20938665
2010-01-01	34535206
2011-01-01	31188551
2012-01-01	22436566
2013-01-01	22484961
2014-01-01	21202584
2015-01-01	15273360
2016-01-01	16964759