Year	Dollars
1992-01-01	7262410
1997-01-01	10854353
2002-01-01	12981687
2003-01-01	12760032
2004-01-01	9641368
2005-01-01	9394364
2006-01-01	10601586
2007-01-01	12177201
2008-01-01	15601905
2009-01-01	8414758
2010-01-01	16156220
2011-01-01	15350454
2012-01-01	20565307
2013-01-01	28415774
2014-01-01	13672819
2015-01-01	12966728
2016-01-01	12829102