Year % 1996 20.121495303512337 1997 36.81333223824618 1998 43.873528657718545 1999 15.582103051822122 2000 23.050402350415695 2001 30.52082268436491 2002 33.19094319859921 2003 19.308831935913435 2004 17.347465932960944 2005 13.413969107702314 2006 12.506071228662247 2007 7.2617270844158 2008 3.0191180138719065 2009 21.740400984575913 2010 12.438044327069791 2011 1.0589888017879083 2012 13.197591914523073 2013 17.590588686865264 2014 10.808718325794905 2015 19.533360647361324 2016 17.426879275242293 2017 12.68917742267945 2018 15.530337052836373 2019 8.364750007419287 2020 11.102676850389248 2021 0.543018692651354 2022 -0.8293014746625458 2023 5.0170494227889