Year	Dollars
1992-01-01	2812660
1997-01-01	5176526
2002-01-01	4138913
2003-01-01	9434035
2004-01-01	11156655
2005-01-01	10111090
2006-01-01	12779128
2007-01-01	8874325
2008-01-01	23181178
2009-01-01	25478926
2010-01-01	19761722
2011-01-01	18694005
2012-01-01	20953676
2013-01-01	25100985
2014-01-01	29460422
2015-01-01	29625967
2016-01-01	21191413