Year Dollars 1992-01-01 2623245 1997-01-01 1363788 2002-01-01 2164360 2003-01-01 2272130 2004-01-01 2295140 2005-01-01 3146056 2006-01-01 2581726 2007-01-01 2446186 2008-01-01 3342326 2009-01-01 1718055 2010-01-01 1856448 2011-01-01 1931688 2012-01-01 2196079 2013-01-01 1879290 2014-01-01 2473170 2015-01-01 1914933 2016-01-01 1864444