Year Dollars 1992-01-01 32390702 1997-01-01 14202361 2002-01-01 3954688 2003-01-01 5227631 2004-01-01 6899505 2005-01-01 2369138 2006-01-01 9927640 2007-01-01 20100724 2008-01-01 11174644 2009-01-01 12491584 2011-01-01 12237417 2012-01-01 15340937 2013-01-01 18625107 2014-01-01 3937811 2015-01-01 16262531 2016-01-01 7710776