Year Dollars 1992-01-01 24828126 1997-01-01 14452345 2002-01-01 20933159 2003-01-01 24240503 2004-01-01 24043923 2005-01-01 44250858 2006-01-01 40207343 2007-01-01 49038154 2008-01-01 47358568 2009-01-01 43603633 2010-01-01 55420658 2011-01-01 54087063 2012-01-01 33817909 2013-01-01 42642825 2014-01-01 51673000 2015-01-01 42100246 2016-01-01 43678978