Year	Dollars
1992-01-01	10278920
1997-01-01	33923733
2002-01-01	51556759
2003-01-01	66305044
2004-01-01	91426474
2005-01-01	110654766
2006-01-01	178463111
2007-01-01	211647940
2008-01-01	220571276
2009-01-01	98310082
2010-01-01	119546058
2011-01-01	147060722
2012-01-01	155808867
2013-01-01	135357178
2014-01-01	121748779
2015-01-01	114903737
2016-01-01	150625018