Year	U.S. dollars (Billions)
2001	0.414
2002	-0.386
2003	-1.683
2004	-8.811
2005	4.350
2006	2.106
2007	-3.010
2008	16.714
2009	-12.865
2010	2.267
2011	20.208
2012	11.027
2013	2.681
2014	6.106
2015	-12.349
2016	-13.315
2017	-10.212
2018	8.840
2019	-1.678
2020	-27.193
2021	14.185
2022	43.913
2023	6.590
2024	-9.552
2025	-14.094
2026	-19.567
2027	-22.883
2028	-26.910
2029	-30.252