Year	Dollars
1992-01-01	4144331
1997-01-01	7665472
2002-01-01	8824401
2003-01-01	6997086
2004-01-01	7686888
2005-01-01	11185768
2006-01-01	16858186
2007-01-01	18966052
2008-01-01	14021516
2009-01-01	11277353
2010-01-01	11253216
2011-01-01	16817230
2012-01-01	18227398
2013-01-01	12490304
2014-01-01	16162028
2015-01-01	15204633
2016-01-01	15721287