Year	Dollars
1992-01-01	4352129
1997-01-01	2515554
2002-01-01	5442530
2003-01-01	7236903
2004-01-01	6782244
2005-01-01	12386105
2006-01-01	11066788
2007-01-01	14003105
2008-01-01	13632407
2009-01-01	12729869
2010-01-01	8701871
2011-01-01	11958268
2012-01-01	15110454
2013-01-01	16373294
2014-01-01	14977087
2015-01-01	21619545
2016-01-01	35119744