Year Dollars 1992-01-01 14617256 1997-01-01 4596661 2002-01-01 7595712 2003-01-01 9129371 2004-01-01 10354226 2005-01-01 13045312 2006-01-01 14074929 2007-01-01 19108098 2008-01-01 31876902 2009-01-01 28366470 2010-01-01 45334097 2011-01-01 33974779 2012-01-01 43699289 2013-01-01 79172549 2014-01-01 45839532 2015-01-01 45868070 2016-01-01 66697296