Year	Dollars
1992-01-01	491279994
1997-01-01	932472540
2002-01-01	1559470361
2003-01-01	2102863938
2004-01-01	2481297574
2005-01-01	1718414842
2006-01-01	1892838885
2007-01-01	1710611746
2008-01-01	1798229843
2009-01-01	1392427572
2010-01-01	1592152077
2011-01-01	1706854031
2012-01-01	1549067329
2013-01-01	1653879113
2014-01-01	1650150668
2015-01-01	1435553427
2016-01-01	1261006793