Year Percent 1995-01-01 197.6470000000000200 1996-01-01 0.5143890000000000 1997-01-01 0.9554700000000000 1998-01-01 5.5172400000000000 1999-01-01 4.9091400000000000 2000-01-01 6.6195000000000000 2001-01-01 6.8880700000000000 2002-01-01 5.5715900000000005 2003-01-01 6.7298399999999990 2004-01-01 9.3994600000000010 2005-01-01 7.0208200000000000 2006-01-01 5.2023699999999990 2007-01-01 10.0311000000000000 2008-01-01 5.2404100000000000 2009-01-01 3.3590199999999997 2010-01-01 3.4887300000000003 2011-01-01 11.9334000000000000 2012-01-01 24.6577000000000000 2013-01-01 14.0742000000000000 2014-01-01 24.2717000000000000 2015-01-01 22.5537000000000000 2016-01-01 25.6304000000000000