Year GDP 1990 0.6502726924287628 1991 0.6771242248548222 1992 0.6910801196243221 1993 0.6931687159173221 1994 0.7305253613403111 1995 0.7211322995229666 1996 0.7312887199954592 1997 0.7292788440850259 1998 0.739492448882263 1999 0.7476686162409778 2000 0.735488372655174 2001 0.7342846764905406 2002 0.7287648802406741 2003 0.6923632841100296 2004 0.6997995227293073 2005 0.6686981059523222 2006 0.664048555143774 2007 0.6563922556696815 2008 0.6536982649351666 2009 0.7016918112891258 2010 0.6953254263689778 2011 0.6927516725328221 2012 0.6893666414693111 2013 0.6930738128521148 2014 0.6729745781196074 2015 0.6849237229016999 2016 0.6799968875667148 2017 0.6478042072719999 2018 0.6115044046331333 2019 0.5924343179773407 2020 0.5495562376799408 2021 0.5298512070267296 2022 0.5126352190864369 2023 0.508783323762563