Year	Dollars
1992-01-01	47747306
1997-01-01	99278109
2002-01-01	69861473
2003-01-01	80634925
2004-01-01	145028762
2005-01-01	116099895
2006-01-01	114003529
2007-01-01	176809293
2008-01-01	303829873
2009-01-01	370836759
2010-01-01	420044772
2011-01-01	587281074
2012-01-01	551012693
2013-01-01	468933982
2014-01-01	285361777
2015-01-01	276950967
2016-01-01	157759298