Year	Dollars
1992-01-01	1281922
1997-01-01	19158461
2002-01-01	18045373
2004-01-01	14254203
2005-01-01	17464358
2007-01-01	36208534
2008-01-01	47884460
2009-01-01	7953732
2010-01-01	10671102
2011-01-01	10907482
2012-01-01	7376840
2013-01-01	12244410
2014-01-01	9586551
2015-01-01	9006903
2016-01-01	9382342