Year Dollars 2004-01-01 764426 2007-01-01 268857 2008-01-01 105890 2009-01-01 231454 2010-01-01 597155 2011-01-01 715076 2012-01-01 219702 2013-01-01 623784 2014-01-01 279932 2015-01-01 1111695 2016-01-01 384168