Year	Dollars
1992-01-01	11309647
1997-01-01	16449446
2002-01-01	15935895
2003-01-01	18742205
2004-01-01	20531909
2005-01-01	20000991
2006-01-01	33566996
2007-01-01	23685335
2008-01-01	27098671
2009-01-01	130741197
2010-01-01	46321793
2011-01-01	41450146
2012-01-01	135561596
2013-01-01	40790088
2014-01-01	38685380
2015-01-01	30307212
2016-01-01	23244746