Year Dollars 2002-01-01 283719 2003-01-01 259114 2004-01-01 148880 2005-01-01 208298 2006-01-01 173048 2007-01-01 586428 2008-01-01 2114767 2009-01-01 481033 2010-01-01 796369 2011-01-01 1202208 2012-01-01 834392 2013-01-01 1181591 2014-01-01 1435187 2015-01-01 868929 2016-01-01 517864