Year	Dollars
1992-01-01	128364419
1997-01-01	379635160
2002-01-01	289486458
2003-01-01	288434763
2004-01-01	296356053
2005-01-01	320567296
2006-01-01	417849267
2007-01-01	445194161
2008-01-01	414664335
2009-01-01	307947365
2010-01-01	366972038
2011-01-01	357461307
2012-01-01	553238029
2013-01-01	485491264
2014-01-01	388965241
2015-01-01	518575828
2016-01-01	519468289