Year Dollars 1992-01-01 316156 1997-01-01 2443845 2002-01-01 5544513 2003-01-01 5970399 2004-01-01 3852063 2005-01-01 3863037 2006-01-01 2164159 2007-01-01 3831128 2008-01-01 4874728 2009-01-01 4829181 2010-01-01 2698991 2011-01-01 2618445 2013-01-01 3798848 2014-01-01 4564441 2015-01-01 4887123 2016-01-01 5744846