Year	Dollars
1992-01-01	701428566
1997-01-01	1310496787
2004-01-01	1462113891
2005-01-01	1229685510
2006-01-01	2353695908
2007-01-01	1917178454
2008-01-01	2548043568
2009-01-01	706344584
2010-01-01	677934015
2011-01-01	939838606
2012-01-01	890495592
2013-01-01	1212492443
2014-01-01	1690987673
2015-01-01	2511647584
2016-01-01	843671617