Year	Dollars
1992-01-01	13630059
1997-01-01	20905016
2002-01-01	45598589
2003-01-01	38296713
2004-01-01	36395050
2005-01-01	44117546
2006-01-01	30590441
2007-01-01	29691538
2008-01-01	22951798
2009-01-01	17933301
2010-01-01	21257584
2011-01-01	27964272
2012-01-01	26013633
2013-01-01	25399000
2014-01-01	36288963
2015-01-01	38895286
2016-01-01	35908359