Year	Dollars
1992-01-01	81019420
1997-01-01	116320312
2002-01-01	122840288
2003-01-01	182021085
2004-01-01	215247469
2005-01-01	194297917
2006-01-01	217495374
2007-01-01	207516072
2008-01-01	234401372
2009-01-01	225147223
2010-01-01	247368545
2011-01-01	285160414
2012-01-01	317230054
2013-01-01	320208037
2014-01-01	282206835
2015-01-01	290106978
2016-01-01	308478996