Year Percent of GDP (Units) 2014 -0.041 2015 2.188 2016 -2.476 2017 -8.048 2018 -14.489 2019 -6.703 2020 -15.818 2021 -18.426 2022 -16.214 2023 -13.514 2024 -11.077 2025 -10.554 2026 -9.999 2027 -9.664 2028 -9.498 2029 -9.265