Year	Dollars
1992-01-01	2212704
1997-01-01	4723896
2002-01-01	9881253
2003-01-01	7704528
2004-01-01	9073013
2005-01-01	10754048
2006-01-01	11336209
2007-01-01	9415404
2008-01-01	20127929
2009-01-01	33191744
2010-01-01	42230017
2011-01-01	23558188
2012-01-01	13751105
2013-01-01	16928449
2014-01-01	24954394
2015-01-01	18796249
2016-01-01	22816613