Year Percent of GDP (Units) 2011 18.020 2012 -15.911 2013 -3.890 2014 -1.213 2015 1.654 2016 19.602 2017 9.609 2018 10.972 2019 2.078 2020 -18.867 2021 -9.369 2022 9.744 2023 1.714 2024 3.924 2025 5.736 2026 6.121 2027 6.116 2028 3.043 2029 1.359