Year	Dollars
1992-01-01	189872155
1997-01-01	478276889
2002-01-01	485351720
2003-01-01	361715342
2004-01-01	445937341
2005-01-01	333973010
2006-01-01	407973381
2007-01-01	698144388
2008-01-01	677319351
2009-01-01	460404733
2010-01-01	652214252
2011-01-01	784139263
2012-01-01	967325276
2013-01-01	550603816
2014-01-01	492305796
2015-01-01	460456528
2016-01-01	649966390