Year	Dollars
1992-01-01	186113505
1997-01-01	389532259
2002-01-01	344116616
2003-01-01	366375663
2004-01-01	466135137
2005-01-01	696631601
2006-01-01	756927371
2007-01-01	996088653
2008-01-01	1222428679
2009-01-01	1086958253
2010-01-01	1397814331
2011-01-01	1566981771
2012-01-01	1337272803
2013-01-01	1460807236
2014-01-01	1537509495
2015-01-01	1048050068
2016-01-01	1300503093