Year	Dollars
1992-01-01	34577490
1997-01-01	11517194
2002-01-01	14348369
2003-01-01	19133374
2004-01-01	18875357
2005-01-01	20075652
2006-01-01	39670460
2007-01-01	68451267
2008-01-01	99222021
2009-01-01	74156702
2010-01-01	279214493
2011-01-01	167692796
2012-01-01	139320811
2013-01-01	144413608
2014-01-01	118007179
2015-01-01	218197826