Year % of GDP 2012 14.06052433319582 2013 16.058835606482795 2014 15.105228879025177 2015 12.830068545532159 2016 11.468063707047865 2017 11.084970300656792 2018 10.215336384318285 2019 11.479528243119685 2020 12.44922132873869 2021 9.127472981076558