Year	U.S. dollars (Billions)
1980	-15.215
1981	-4.911
1982	6.007
1983	4.611
1984	9.280
1985	17.594
1986	37.989
1987	43.574
1988	54.677
1989	58.960
1990	50.055
1991	-26.672
1992	-25.281
1993	-21.482
1994	-33.145
1995	-32.238
1996	-16.890
1997	-11.289
1998	-15.932
1999	-31.251
2000	-34.324
2001	-7.161
2002	39.267
2003	35.360
2004	127.156
2005	133.119
2006	172.872
2007	235.055
2008	213.169
2009	198.881
2010	195.436
2011	232.889
2012	251.608
2013	244.845
2014	281.019
2015	288.260
2016	299.003
2017	289.055
2018	316.177
2019	317.797
2020	274.180
2021	329.835
2022	180.146
2023	303.195
2024	321.724
2025	329.066
2026	324.344
2027	328.644
2028	328.095
2029	328.784