Year GDP 1990 0.6940091084417415 1991 0.7396565742259065 1992 0.762878884368765 1993 0.7082370986612965 1994 0.6881046415712962 1995 0.7034419114462823 1996 0.6926677806379041 1997 0.633113285603559 1998 0.5728807643227924 1999 0.5248717447537857 2000 0.43331193886249914 2001 0.3861682444399836 2002 0.3770173557214056 2003 0.42658068939831645 2004 0.4281729196128219 2005 0.32564235160895477 2006 0.30763423196912065 2007 0.4174078205963022 2008 0.4359752417784047 2009 0.4226625742939083 2010 0.4065109052765589 2011 0.37336876061062346 2012 0.3907057263769699 2013 0.406326870502957 2014 0.40846745008722285 2015 0.38729562053495303 2016 0.3156955814726674 2017 0.31022297563581713 2018 0.3281017178794174 2019 0.33206652180460594 2020 0.31623839017110617 2021 0.3183794913763832 2022 0.3707203164926379 2023 0.3756623939543046