Year GDP 1990 0.6041075622052309 1991 0.5840855633817889 1992 0.6008682316819931 1993 0.767039424909225 1994 0.41986508893202334 1995 0.48026508917052463 1996 0.4620840236420185 1997 0.42266409812745837 1998 0.41792332188992565 1999 0.3905806605710098 2000 0.33605291117721553 2001 0.3265650963151925 2002 0.3489193775058347 2003 0.41731378654227963 2004 0.4475132413050594 2005 0.4398634503934102 2006 0.4405554334723669 2007 0.4704766291953128 2008 0.5198304584194027 2009 0.507611893528046 2010 0.4799637653874917 2011 0.506541693701948 2012 0.4736170494788604 2013 0.4865677380030901 2014 0.4819747106650756 2015 0.40455613862216117 2016 0.39749667565472147 2017 0.3971113542505854 2018 0.4015934560767806 2019 0.3667025762893338 2020 0.35634465196718257 2021 0.34886970654494814 2022 0.3052112972408152 2023 0.31107796680211824