Year	Dollars
1992-01-01	27135087
1997-01-01	164128406
2002-01-01	139605374
2003-01-01	130545995
2004-01-01	151970026
2005-01-01	203120835
2006-01-01	297431200
2007-01-01	457136857
2008-01-01	494058728
2009-01-01	412257852
2010-01-01	654913265
2011-01-01	650945666
2012-01-01	630289349
2013-01-01	622791120
2014-01-01	471342780
2015-01-01	331262809
2016-01-01	236756097