Year Percent 1996-01-01 2.2673300000000000 1997-01-01 1.7430100000000000 1998-01-01 1.9229100000000000 1999-01-01 1.6649400000000000 2000-01-01 1.1569399999999999 2001-01-01 1.2389900000000000 2002-01-01 0.5160480000000000 2003-01-01 0.7764740000000000 2004-01-01 3.9915100000000000 2005-01-01 2.5281200000000000 2006-01-01 1.9234400000000000 2007-01-01 1.7879099999999999 2008-01-01 1.6523599999999998 2009-01-01 1.3055500000000000 2010-01-01 1.2511100000000000 2011-01-01 1.1529900000000000 2012-01-01 1.1952300000000000 2013-01-01 1.2589800000000000 2014-01-01 4.4249000000000000 2015-01-01 1.4015700000000000 2016-01-01 0.7603240000000000