Year GDP 1990 0.4458927527924748 1991 0.4313928884085744 1992 0.445527231005488 1993 0.4661216002515283 1994 0.41121556950370525 1995 0.406916968387325 1996 0.39178454015753306 1997 0.37748838116806344 1998 0.38005295965329106 1999 0.36678195064489255 2000 0.3625175876065939 2001 0.3606602783311489 2002 0.34405128238208516 2003 0.3353004719824173 2004 0.33747090751630837 2005 0.34239421309082724 2006 0.34122272715784124 2007 0.347013325953 2008 0.37674745548158 2009 0.37814682091847734 2010 0.3776582870273258 2011 0.38839823258422695 2012 0.39590021884540894 2013 0.3896420907705741 2014 0.386438137391334 2015 0.38071217637929256 2016 0.3623854847148423 2017 0.35060162570574926 2018 0.34289958306766666 2019 0.3274682426775709 2020 0.30896064260909784 2021 0.3003702887405249 2022 0.2992590095191696 2023 0.3145666045418263