Year	Dollars
1992-01-01	436966396
1997-01-01	248118987
2002-01-01	152997523
2003-01-01	168954160
2004-01-01	148478926
2005-01-01	271680967
2006-01-01	303396258
2007-01-01	402734684
2008-01-01	455253294
2009-01-01	280605378
2010-01-01	269745671
2011-01-01	239137827
2012-01-01	287693461
2013-01-01	271674731
2014-01-01	315079664
2015-01-01	355703038
2016-01-01	402693959