Year	Dollars
1992-01-01	1190256640
1997-01-01	1083744843
2002-01-01	1228284941
2003-01-01	868123928
2004-01-01	922190698
2005-01-01	761176797
2006-01-01	805780064
2007-01-01	775381483
2008-01-01	680373434
2009-01-01	433525003
2010-01-01	497879901
2011-01-01	454518475
2012-01-01	466989472
2013-01-01	555984297
2014-01-01	533340939
2015-01-01	561564773
2016-01-01	424283348