Year	Dollars
1992-01-01	3018033
1997-01-01	11269502
2002-01-01	7477157
2003-01-01	5373221
2004-01-01	27189843
2005-01-01	14860934
2006-01-01	18240306
2007-01-01	19651943
2008-01-01	58058473
2009-01-01	13435105
2010-01-01	17081170
2011-01-01	16376411
2012-01-01	15618040
2013-01-01	17476557
2014-01-01	17686419
2015-01-01	18200826
2016-01-01	18959415