Year	Dollars
1992-01-01	128788749
1997-01-01	162085149
2002-01-01	210620913
2003-01-01	318410304
2004-01-01	506814175
2005-01-01	486764060
2006-01-01	362265676
2007-01-01	374621582
2008-01-01	389773250
2009-01-01	444651302
2010-01-01	614473754
2011-01-01	822040690
2012-01-01	806524849
2013-01-01	772275786
2014-01-01	1213714198
2015-01-01	817757804
2016-01-01	933168870