Year GDP 1990 0.83460157144726 1991 0.848023223758268 1992 0.854118101706675 1993 0.859653190254221 1994 0.863772915017845 1995 0.869783464771542 1996 0.878027582400363 1997 0.914511153228893 1998 0.92859340127101 1999 0.938638055555489 2000 0.907606426737589 2001 0.884795890472244 2002 0.906307099515916 2003 0.89717110784019 2004 0.890927538321616 2005 0.880801995635239 2006 0.884174212224034 2007 0.874244675811381 2008 0.904623526651999 2009 0.894756407618136 2010 0.8924841948451 2011 0.938595164408269 2012 0.978469283707035 2013 0.956972390335801 2014 0.949708356077553 2015 0.910566954719564 2016 0.968259404466781 2017 0.971918699969815 2018 0.926687249787773 2019 0.873145477852241 2020 0.920480419289194 2021 0.932033025244732 2022 0.880012327837339 2023 0.902709949689365