Year Dollars 1992-01-01 24599384 1997-01-01 28299287 2002-01-01 25257755 2003-01-01 27651124 2004-01-01 27708649 2005-01-01 32775167 2006-01-01 34660133 2007-01-01 37884007 2008-01-01 64726635 2009-01-01 64480938 2010-01-01 74037348 2011-01-01 78781232 2012-01-01 82382964 2013-01-01 100079059 2014-01-01 100558064 2015-01-01 122133198 2016-01-01 108331344