Year	Dollars
1992-01-01	19870385
1997-01-01	33283644
2002-01-01	30891439
2003-01-01	41800167
2004-01-01	94669038
2005-01-01	70056044
2006-01-01	83390679
2007-01-01	105640696
2008-01-01	181714936
2009-01-01	275058946
2010-01-01	287121132
2011-01-01	334531756
2012-01-01	254910027
2013-01-01	204874272
2014-01-01	219524067
2015-01-01	228908519
2016-01-01	251036017