Year GDP 2011 0.7519287104047206 2012 0.8666529973941676 2013 0.8624042192252961 2014 0.853396850711609 2015 0.848658279254257 2016 0.8319439373570614 2017 0.780167592970352 2018 0.7612454824607486 2019 0.7625711030800223 2020 0.7750577766802066 2021 0.8035248884275642 2022 0.7766494768296592 2023 0.7652795312233296