Year	Dollars
1992-01-01	56734050
1997-01-01	114096394
2002-01-01	70185328
2003-01-01	75052579
2004-01-01	90723799
2005-01-01	133591316
2006-01-01	149455776
2007-01-01	312718048
2008-01-01	251610802
2009-01-01	243916699
2010-01-01	175607743
2011-01-01	228376219
2012-01-01	218091515
2013-01-01	191417484
2014-01-01	172726410
2015-01-01	175772784
2016-01-01	167926747