Year	Dollars
1992-01-01	7134934
1997-01-01	7370108
2002-01-01	13064958
2003-01-01	13861489
2004-01-01	11350566
2005-01-01	15785965
2006-01-01	67266664
2007-01-01	33939748
2008-01-01	38401600
2009-01-01	67279169
2010-01-01	30206880
2011-01-01	47918875
2012-01-01	62689492
2013-01-01	37312172
2014-01-01	48761789
2015-01-01	33531493
2016-01-01	28911220