Year Dollars 2002-01-01 75487 2003-01-01 164055 2004-01-01 103972 2005-01-01 450541 2006-01-01 768413 2007-01-01 434311 2008-01-01 355940 2009-01-01 433557 2010-01-01 425364 2011-01-01 317162 2012-01-01 330526 2013-01-01 329466 2014-01-01 1203215 2015-01-01 448918 2016-01-01 518814