Year % of GDP 2011 45.834694286916886 2012 49.09026352798978 2013 49.60975139134554 2014 53.50086087069962 2016 52.23812773677342 2017 47.37156298544901 2018 44.89324080776931 2019 44.023571918688056 2020 45.4216368447367 2021 46.97481913782992 2022 41.74351051989614