Year Dollars 1997-01-01 205481 2002-01-01 3135681 2003-01-01 2072845 2004-01-01 485324 2005-01-01 349973 2006-01-01 52055 2007-01-01 369950 2008-01-01 404036 2009-01-01 1313658 2010-01-01 433613 2011-01-01 669666 2012-01-01 713330 2013-01-01 989779 2014-01-01 509000 2015-01-01 900233 2016-01-01 652295