Year Dollars 2002-01-01 170211 2004-01-01 337941 2005-01-01 1045436 2006-01-01 621485 2007-01-01 857772 2008-01-01 227559 2010-01-01 4200788 2011-01-01 903088 2012-01-01 984044 2013-01-01 960872 2014-01-01 965548 2015-01-01 789847 2016-01-01 1478326