Year Dollars 2002-01-01 288809 2004-01-01 108920 2005-01-01 64477 2006-01-01 91619 2008-01-01 1243605 2009-01-01 155076 2010-01-01 553450 2011-01-01 447346 2012-01-01 637702 2013-01-01 841718 2014-01-01 393755 2015-01-01 31141 2016-01-01 37400