Year	Dollars
1992-01-01	7653761
1997-01-01	29320429
2002-01-01	14226035
2003-01-01	14842833
2004-01-01	21473522
2005-01-01	15827054
2006-01-01	25720781
2007-01-01	55573189
2008-01-01	233288109
2009-01-01	56190385
2010-01-01	95688778
2011-01-01	129837890
2012-01-01	213970670
2013-01-01	461572494
2014-01-01	467925570
2015-01-01	94932716
2016-01-01	47721130