Year	Dollars
1992-01-01	109815277
1997-01-01	98261274
2002-01-01	132338183
2003-01-01	103663714
2004-01-01	130103097
2005-01-01	173976114
2006-01-01	177762695
2007-01-01	182243610
2008-01-01	227681361
2009-01-01	188375455
2010-01-01	310742849
2011-01-01	371794767
2012-01-01	260722321
2013-01-01	223017704
2014-01-01	253798447
2015-01-01	211669481
2016-01-01	236337010