Year	Dollars
1992-01-01	8098150
1997-01-01	31248442
2002-01-01	24082559
2003-01-01	20245149
2004-01-01	18587811
2005-01-01	43995180
2006-01-01	47966601
2007-01-01	65706267
2008-01-01	189375072
2009-01-01	71009657
2010-01-01	101813501
2011-01-01	170653123
2012-01-01	119054806
2013-01-01	143613873
2014-01-01	130288366
2015-01-01	121231592
2016-01-01	110521782