Year	U.S. dollars (Billions)
2014	-0.190
2015	-0.116
2016	-0.105
2017	-0.099
2018	-0.091
2019	-0.022
2020	-0.137
2021	-0.197
2022	-0.183
2023	-0.183
2024	-0.189
2025	-0.178
2026	-0.156
2027	-0.133
2028	-0.129
2029	-0.128