Year	Dollars
1992-01-01	6439569
1997-01-01	3763060
2002-01-01	3785969
2003-01-01	6272102
2004-01-01	11573322
2005-01-01	9630082
2006-01-01	6790740
2007-01-01	17170460
2008-01-01	13208634
2009-01-01	10968321
2010-01-01	12754632
2011-01-01	9508181
2012-01-01	8951591
2013-01-01	15566770
2014-01-01	17455533
2015-01-01	18292054
2016-01-01	19559767