Year	Dollars
1992-01-01	5090210
1997-01-01	1454665
2002-01-01	3525892
2003-01-01	2570267
2004-01-01	7727766
2005-01-01	7320474
2006-01-01	15103307
2007-01-01	15992383
2008-01-01	24241588
2009-01-01	18492613
2010-01-01	24360303
2011-01-01	18509522
2012-01-01	17234535
2013-01-01	9401301
2015-01-01	14317409
2016-01-01	14011130