Year	Dollars
1992-01-01	10402615
1997-01-01	6596413
2002-01-01	4737310
2003-01-01	10384563
2004-01-01	8116285
2005-01-01	15580651
2006-01-01	34706147
2007-01-01	27396897
2008-01-01	52348825
2009-01-01	59238462
2010-01-01	72136682
2011-01-01	125251202
2012-01-01	123693818
2013-01-01	102054394
2014-01-01	88632574
2015-01-01	59852526
2016-01-01	32194316