Year	Dollars
1992-01-01	153542374
1997-01-01	409452673
2002-01-01	826986488
2003-01-01	718282704
2004-01-01	653611643
2005-01-01	603935334
2006-01-01	867119046
2007-01-01	773321182
2008-01-01	888304254
2009-01-01	293163941
2010-01-01	321398754
2011-01-01	465917549
2012-01-01	311165909
2013-01-01	292210864
2014-01-01	454704026
2015-01-01	263671811
2016-01-01	361334649