Year GDP 1990 0.4922880469620831 1991 0.475121975363501 1992 0.4954394262682068 1993 0.4578477528485708 1994 0.4559206854320972 1995 0.5175028843679005 1996 0.500112597739408 1997 0.4529857624335489 1998 0.4460794966827738 1999 0.4303646598203239 2000 0.38143062683985796 2001 0.3528440384115908 2002 0.35975346356410304 2003 0.40958601177798093 2004 0.43456481869324 2005 0.42523188169455683 2006 0.4217760945891705 2007 0.4548721336806206 2008 0.4945112728180444 2009 0.4706272180466359 2010 0.44796821634652334 2011 0.45393482841824506 2012 0.4329974079209163 2013 0.4481170811972774 2014 0.474682232673407 2015 0.4034120499885553 2016 0.39994715115899954 2017 0.4062202762884062 2018 0.4488724309814852 2019 0.4359927613224279 2020 0.42415240596698983 2021 0.43903740807123093 2022 0.3739126525776859 2023 0.3768855570654873