Year Dollars 1992-01-01 1530057 1997-01-01 805930 2002-01-01 1247676 2003-01-01 8564459 2004-01-01 3371682 2005-01-01 8406576 2006-01-01 5741968 2007-01-01 6073520 2008-01-01 46187901 2009-01-01 9001791 2010-01-01 4179381 2011-01-01 4968254 2012-01-01 16727618 2013-01-01 18107248 2014-01-01 8816641 2015-01-01 6751476 2016-01-01 3043187