Year	Dollars
1992-01-01	1999381841
1997-01-01	3179200214
2002-01-01	2173331678
2003-01-01	2079391582
2004-01-01	2254923953
2005-01-01	2232282646
2006-01-01	2518198276
2007-01-01	2846511049
2008-01-01	3203249646
2009-01-01	2449969186
2010-01-01	2650010059
2011-01-01	3157098489
2012-01-01	2777769299
2013-01-01	2967113936
2014-01-01	2877382331
2015-01-01	2320670842
2016-01-01	2345740512