Year Percent 1995-01-01 140.3420000000000000 1996-01-01 27.5768000000000000 1997-01-01 71.3869000000000000 1998-01-01 43.2603000000000000 1999-01-01 13.7861000000000000 2000-01-01 7.1428899999999995 2001-01-01 25.3435000000000000 2002-01-01 23.4541000000000000 2003-01-01 116.1670000000000000 2004-01-01 69.7415000000000000 2005-01-01 13.8157000000000000 2006-01-01 49.5208000000000000 2007-01-01 21.3785000000000000 2008-01-01 15.9975000000000000 2009-01-01 3.8743700000000000 2010-01-01 12.7687000000000000 2011-01-01 3.0923700000000003 2012-01-01 1.4828900000000000 2013-01-01 1.8814000000000000 2014-01-01 2.1031299999999997 2015-01-01 3.3089900000000000 2016-01-01 1.2069600000000000