Year	Dollars
1992-01-01	6100881
1997-01-01	15021928
2002-01-01	10848532
2003-01-01	14545970
2004-01-01	12774371
2005-01-01	12019692
2006-01-01	17082915
2007-01-01	37860031
2008-01-01	80932135
2009-01-01	34983105
2010-01-01	39417810
2011-01-01	39627824
2012-01-01	55101269
2013-01-01	36310364
2014-01-01	26310374
2015-01-01	18965844
2016-01-01	24049830