Year Dollars 2002-01-01 31799 2004-01-01 16578 2005-01-01 222161 2006-01-01 923249 2007-01-01 143654 2008-01-01 131622 2009-01-01 401599 2010-01-01 555504 2011-01-01 112819 2012-01-01 222988 2013-01-01 800291 2014-01-01 1440722 2015-01-01 281125 2016-01-01 288146