Year Percent 1999-01-01 -4.31161 2000-01-01 -4.31161 2001-01-01 -4.31161 2002-01-01 -4.31161 2003-01-01 -4.31161 2004-01-01 -4.31161 2005-01-01 -4.31161 2006-01-01 -93.62010 2007-01-01 -93.62010 2008-01-01 -93.62010 2009-01-01 -93.62010 2010-01-01 -93.62010 2011-01-01 -93.62010 2012-01-01 -93.62010 2013-01-01 -10.20530 2014-01-01 20.33910 2015-01-01 6.89655 2016-01-01 9.56211