Year Percent 2000-01-01 100 2001-01-01 100 2002-01-01 100 2003-01-01 100 2004-01-01 100 2005-01-01 100 2006-01-01 100 2007-01-01 100 2008-01-01 100 2009-01-01 100 2010-01-01 100 2011-01-01 100 2012-01-01 100 2013-01-01 100 2014-01-01 100 2015-01-01 100