Year Dollars 2004-01-01 84786 2007-01-01 49691 2008-01-01 259664 2009-01-01 163759 2010-01-01 362028 2011-01-01 1345851 2013-01-01 175559 2014-01-01 404836 2015-01-01 562473 2016-01-01 323992