Year	Dollars
1992-01-01	5067285
1997-01-01	7018687
2002-01-01	6937077
2003-01-01	8181154
2004-01-01	9642933
2005-01-01	10067657
2006-01-01	15208159
2007-01-01	17194197
2008-01-01	17091155
2009-01-01	15252395
2010-01-01	16096356
2011-01-01	11277618
2012-01-01	8719245
2013-01-01	11822067
2014-01-01	8946334
2015-01-01	12669778
2016-01-01	14228407