Year	Dollars
1992-01-01	11528048
1997-01-01	12155523
2002-01-01	12253949
2003-01-01	17836439
2004-01-01	18880102
2005-01-01	14550316
2006-01-01	13060349
2007-01-01	19168106
2008-01-01	19808575
2009-01-01	12299455
2010-01-01	11594977
2011-01-01	17417722
2012-01-01	18316990
2013-01-01	24212714
2014-01-01	35754242
2015-01-01	35691866
2016-01-01	36514060