Year GDP 1990 0.4653938763343313 1991 0.43574858393934573 1992 0.43533890381590773 1993 0.4186387519999092 1994 0.40496223106513896 1995 0.4116022213750705 1996 0.3913951545201443 1997 0.36782705391629367 1998 0.3455571890441612 1999 0.35569645231101366 2000 0.35994724563229646 2001 0.33301944784673526 2002 0.30630125609855224 2003 0.396498932094515 2004 0.44830800507813723 2005 0.4603577266663397 2006 0.42121498782006755 2007 0.41297818840693623 2008 0.3984838991269776 2009 0.434962688139981 2010 0.4873825491282151 2011 0.5344448016245338 2012 0.5178420498387729 2013 0.4894529796631216 2014 0.47471921894779057 2015 0.43420084706354983 2016 0.41588666119923495 2017 0.4525263095018747 2018 0.46927936421908284 2019 0.44937860576612465 2020 0.41349653200608977 2021 0.43472249726078976 2022 0.41726243026464716 2023 0.37402542283124757