Year Dollars 1992-01-01 2532155 1997-01-01 4260508 2002-01-01 3171696 2003-01-01 3901552 2004-01-01 2879873 2005-01-01 1980795 2006-01-01 3148141 2007-01-01 2412296 2008-01-01 3775378 2009-01-01 3865745 2010-01-01 11777340 2011-01-01 9745330 2012-01-01 5105602 2013-01-01 4457628 2014-01-01 6169897 2015-01-01 4292815 2016-01-01 5084980