Year	Dollars
1992-01-01	10549931
1997-01-01	14089471
2002-01-01	49253953
2003-01-01	46062338
2004-01-01	40990749
2005-01-01	75129163
2006-01-01	95689719
2007-01-01	142345214
2008-01-01	117256118
2009-01-01	126942007
2010-01-01	123438708
2011-01-01	135426681
2012-01-01	158592739
2013-01-01	183501718
2014-01-01	197039871
2015-01-01	154703111
2016-01-01	143828468