Year	Dollars
1992-01-01	14805517
1997-01-01	8357553
2002-01-01	32172853
2003-01-01	6686959
2004-01-01	16766280
2005-01-01	34425193
2006-01-01	30816269
2007-01-01	64993846
2008-01-01	93572977
2009-01-01	47936016
2010-01-01	56433500
2011-01-01	27642624
2012-01-01	29752548
2013-01-01	25095744
2014-01-01	15644442
2015-01-01	22048482
2016-01-01	21837422