Year	Dollars
1992-01-01	6378989
1997-01-01	19186429
2002-01-01	1023466
2003-01-01	4048704
2004-01-01	6964176
2005-01-01	8354760
2006-01-01	10680485
2007-01-01	13338226
2008-01-01	11194947
2009-01-01	6956012
2010-01-01	9133159
2011-01-01	13287164
2012-01-01	8817444
2013-01-01	11505460
2014-01-01	13459637
2015-01-01	967914
2016-01-01	679372