Year GDP 1990 0.669918741741875 1991 0.63208435736615 1992 0.63907427073429 1993 0.635995590671855 1994 0.63912579470761 1995 0.659276920083215 1996 0.665218251496675 1997 0.644131845732815 1998 0.652311516575995 1999 0.632452994464015 2000 0.62718943277811 2001 0.60138585438601 2002 0.59644653957362 2003 0.56058429586093 2004 0.5573293723651 2005 0.556663338675605 2006 0.557546304108835 2007 0.56366318013877 2008 0.5724607217709 2009 0.554879653384865 2010 0.56005142312203 2011 0.575614154338835 2012 0.616191758024785 2013 0.62538896656802 2014 0.645751024128025 2015 0.64524774465891 2016 0.653350764318335 2017 0.6657258272171 2018 0.633025348186495 2019 0.58777493238449 2020 0.54347938299179 2021 0.524310171604155 2022 0.52589625500158 2023 0.562691756482195