Year Dollars 1992-01-01 465216 1997-01-01 798533 2002-01-01 474985 2003-01-01 1507133 2004-01-01 9292714 2005-01-01 6541527 2006-01-01 5109488 2007-01-01 9291876 2008-01-01 7421394 2009-01-01 3486774 2010-01-01 7890980 2011-01-01 3078227 2012-01-01 7323169 2013-01-01 11680063 2014-01-01 10740485 2015-01-01 13623460 2016-01-01 9893137