Year GDP 1990 0.211291266012589 1991 0.2289732792404145 1992 0.24463208566196562 1993 0.25622218899720545 1994 0.2570841166370317 1995 0.24976549680140273 1996 0.2566959036501079 1997 0.2626915201317205 1998 0.25681586980557436 1999 0.26020464707071456 2000 0.2596123526363339 2001 0.3683363652358312 2002 0.3486168280085375 2003 0.3434603526706125 2004 0.36781268231094216 2005 0.38929153585637266 2006 0.41368170679335775 2007 0.4459667351479242 2008 0.48813850080285076 2009 0.5453646164453141 2010 0.556572491519971 2011 0.5383934641993566 2012 0.5309160425274687 2013 0.5370755742963035 2014 0.5320793519507622 2015 0.5395722049772395 2016 0.5299983609112108 2017 0.5316515392059008 2018 0.5216247275916014 2019 0.5087387851673809 2020 0.5507401331215127 2021 0.534107254140886 2022 0.5144448319152257 2023 0.5106044130847108