Year	U.S. dollars (Billions)
1992	-0.025
1993	-0.040
1994	-0.095
1995	-0.162
1996	-0.247
1997	0.045
1998	-0.172
1999	-0.169
2000	-0.096
2001	-0.039
2002	-0.097
2003	-0.166
2004	-0.116
2005	-0.240
2006	-0.047
2007	-0.143
2008	-0.685
2009	-1.030
2010	-0.983
2011	-1.029
2012	-1.212
2013	-1.289
2014	-1.429
2015	-1.580
2016	-1.699
2017	-1.756
2018	-2.895
2019	-2.932
2020	-0.870
2021	-11.242
2022	-7.494
2023	0.553
2024	-1.563
2025	-2.012
2026	-2.217
2027	-2.404
2028	-2.699
2029	-2.771