Year Dollars 2002-01-01 170879 2003-01-01 1000873 2005-01-01 260926 2008-01-01 883621 2009-01-01 1937305 2010-01-01 388739 2011-01-01 503394 2012-01-01 310937 2013-01-01 2275485 2014-01-01 2235258 2015-01-01 2908937 2016-01-01 1104137