Year	Dollars
1992-01-01	150987613
1997-01-01	208606692
2002-01-01	207315857
2003-01-01	243643981
2004-01-01	289535313
2005-01-01	385831407
2006-01-01	357471544
2007-01-01	420375484
2008-01-01	371751716
2009-01-01	284199943
2010-01-01	469066302
2011-01-01	666311409
2012-01-01	573006517
2013-01-01	599641837
2014-01-01	573084510
2015-01-01	446651096
2016-01-01	371693464