Year	Dollars
1992-01-01	24017267
1997-01-01	78651433
2002-01-01	94469849
2003-01-01	103169428
2004-01-01	113812975
2005-01-01	113768140
2006-01-01	152802863
2007-01-01	204015311
2008-01-01	268992884
2009-01-01	218668747
2010-01-01	184860150
2011-01-01	417835390
2012-01-01	402145388
2013-01-01	310513730
2014-01-01	138581747
2015-01-01	111962549
2016-01-01	115486714