Year	Dollars
1992-01-01	10136762
1997-01-01	8894236
2002-01-01	9533607
2003-01-01	62043911
2004-01-01	17161621
2005-01-01	22129145
2006-01-01	40610198
2007-01-01	25952336
2008-01-01	22713183
2009-01-01	14184957
2010-01-01	18313778
2011-01-01	23786654
2012-01-01	26429018
2013-01-01	26174005
2014-01-01	22681319
2015-01-01	11730101
2016-01-01	11440126