Year GDP 1990 0.4373235601113747 1991 0.35053112632910377 1992 0.3408970897114956 1993 0.37419593420722275 1994 0.40207600789973535 1995 0.43093326617045 1996 0.44483157118316663 1997 0.43736849917218623 1998 0.42133414562331534 1999 0.39070238612895036 2000 0.39731724808474866 2001 0.37964104544943966 2002 0.37689291976522543 2003 0.3806208491637867 2004 0.3869269353372862 2005 0.40063121149210007 2006 0.40987372831458313 2007 0.44491658513181787 2008 0.47519184873621745 2009 0.4769830886821055 2010 0.4907313829637842 2011 0.49147485002435576 2012 0.5123258524713744 2013 0.49615786982383 2014 0.49104297042743217 2015 0.4944057947161307 2016 0.5097850474535545 2017 0.5046600267904455 2018 0.48610670955517016 2019 0.4837881037943069 2020 0.4028502905683266 2021 0.4312473361154825 2022 0.45117893192121106 2023 0.3732402602103156