Year % of GDP 2008 10.401133654454748 2009 8.037407835788562 2010 9.17015887398441 2011 8.441486894493773 2012 4.755261560739099 2013 5.515577023577545 2014 2.825519165391465 2015 5.453603510582402 2016 3.6480460537829904 2017 3.9944939565881534 2018 4.043060114567593 2019 3.6087471072450485 2020 5.113617009038048 2021 5.321432693384857 2022 8.168575412467732