Year	Dollars
1992-01-01	9128161
1997-01-01	9157949
2002-01-01	17219573
2003-01-01	10555686
2004-01-01	11873551
2005-01-01	15815112
2006-01-01	26937483
2007-01-01	22346933
2008-01-01	22833046
2009-01-01	21674675
2010-01-01	15387733
2011-01-01	9827363
2012-01-01	7627627
2013-01-01	7898939
2014-01-01	8975453
2015-01-01	10626270
2016-01-01	9892102