Year	Dollars
1992-01-01	6869404
1997-01-01	9279245
2002-01-01	8485252
2003-01-01	6603770
2004-01-01	9815020
2005-01-01	13230346
2006-01-01	10237881
2007-01-01	7282865
2008-01-01	9379722
2009-01-01	10442914
2010-01-01	25087661
2011-01-01	50202903
2012-01-01	29310614
2013-01-01	27570351
2014-01-01	20810348
2015-01-01	15550099
2016-01-01	15836409