Year % GDP 2005 27.24272458010245 2006 28.04371845081674 2007 22.596477450719892 2008 22.457102672884446 2009 27.040785482878547 2010 26.27288748488204 2011 25.79303381621834 2012 35.849533930411795 2013 29.56151727910318 2014 23.577460336871685 2015 19.828185816293477 2016 15.131102562473519 2017 15.34527458589174 2018 23.686170694984266 2019 21.084779321919193 2020 22.855522221064152 2021 23.335551755221015 2022 18.562119739352703 2023 14.788358394926332