Year	Dollars
1992-01-01	186968
1997-01-01	767290
2002-01-01	1599595
2003-01-01	706285
2005-01-01	4062735
2006-01-01	8171975
2007-01-01	9378679
2008-01-01	5391060
2009-01-01	4701343
2010-01-01	5425260
2011-01-01	7408452
2012-01-01	14124626
2014-01-01	17369515
2015-01-01	13785772
2016-01-01	13178790