Year Dollars 1997-01-01 53829 2002-01-01 113503 2003-01-01 88129 2005-01-01 62808 2006-01-01 460755 2007-01-01 291022 2008-01-01 574606 2009-01-01 438613 2010-01-01 405727 2011-01-01 641343 2012-01-01 159088 2013-01-01 510407 2014-01-01 219275 2015-01-01 154393 2016-01-01 156428