Year	Dollars
1992-01-01	21377862
1997-01-01	110840728
2002-01-01	18931788
2003-01-01	20031789
2004-01-01	24148122
2005-01-01	23495080
2006-01-01	28768813
2007-01-01	34560697
2008-01-01	176400023
2009-01-01	80223293
2010-01-01	140343723
2011-01-01	157296359
2012-01-01	128926046
2013-01-01	139987316
2014-01-01	121276657
2015-01-01	108994794
2016-01-01	128406677