Year	Dollars
1992-01-01	1397349
1997-01-01	3664635
2002-01-01	5481978
2003-01-01	4751981
2004-01-01	4844747
2005-01-01	6785518
2006-01-01	5556451
2007-01-01	5319017
2008-01-01	5853486
2009-01-01	12214646
2010-01-01	4431599
2011-01-01	6027361
2012-01-01	8284323
2013-01-01	10394801
2014-01-01	17896561
2015-01-01	15588091
2016-01-01	23476960