Year	Dollars
1992-01-01	12787433
1997-01-01	48822040
2002-01-01	3307046
2003-01-01	14852074
2004-01-01	30255371
2005-01-01	15541279
2006-01-01	26319250
2007-01-01	44553972
2008-01-01	44563150
2009-01-01	29915979
2010-01-01	27251740
2011-01-01	46182769
2012-01-01	54942057
2013-01-01	60567231
2014-01-01	38452342
2015-01-01	31633853
2016-01-01	26532276