Year	Dollars
1992-01-01	14561214
1997-01-01	10282242
2002-01-01	12883219
2003-01-01	12617156
2004-01-01	14336043
2005-01-01	34811676
2006-01-01	37121554
2007-01-01	27209628
2008-01-01	28665104
2009-01-01	19117727
2010-01-01	15790757
2011-01-01	23211204
2012-01-01	19244322
2013-01-01	24246979
2014-01-01	18472828
2015-01-01	24868790
2016-01-01	19045844