Year	Dollars
1992-01-01	1631920
1997-01-01	3330381
2002-01-01	2676337
2003-01-01	9993854
2004-01-01	8899248
2005-01-01	8527268
2006-01-01	8821184
2007-01-01	19351317
2008-01-01	12861047
2009-01-01	16587798
2010-01-01	48499351
2011-01-01	59146050
2012-01-01	23106806
2013-01-01	31703009
2014-01-01	30806534
2015-01-01	35121755
2016-01-01	43221125