Year	Dollars
1992-01-01	8662380
1997-01-01	10287931
2002-01-01	38239454
2003-01-01	12583028
2004-01-01	14885164
2005-01-01	9187087
2006-01-01	11399621
2007-01-01	17282745
2008-01-01	18000498
2009-01-01	21517817
2010-01-01	19758573
2011-01-01	19918220
2012-01-01	38722897
2013-01-01	39032732
2014-01-01	37141563
2015-01-01	37971740
2016-01-01	41950383