Year	Dollars
1992-01-01	17837690
1997-01-01	14421595
2002-01-01	9841752
2003-01-01	34714049
2004-01-01	16039698
2005-01-01	14204825
2006-01-01	18488129
2007-01-01	15629791
2008-01-01	23332062
2009-01-01	14744958
2010-01-01	16949219
2011-01-01	24965882
2012-01-01	18698834
2013-01-01	24835955
2014-01-01	31629367
2015-01-01	28479264
2016-01-01	22732952