Year	U.S. dollars (Billions)
2014	0.007
2015	-0.078
2016	-0.122
2017	-0.108
2018	-0.063
2019	-0.053
2020	-0.096
2021	-0.044
2022	-0.106
2023	-0.057
2024	-0.074
2025	-0.103
2026	-0.055
2027	-0.046
2028	-0.025
2029	-0.026