Year	U.S. dollars (Billions)
1980	193.758
1981	162.400
1982	157.338
1983	153.179
1984	142.578
1985	144.655
1986	201.599
1987	246.928
1988	264.223
1989	260.532
1990	321.405
1991	331.097
1992	366.004
1993	355.931
1994	382.550
1995	452.710
1996	450.625
1997	417.329
1998	438.610
1999	447.493
2000	417.664
2001	431.590
2002	473.527
2003	579.925
2004	658.081
2005	685.727
2006	733.994
2007	848.659
2008	951.766
2009	870.572
2010	848.073
2011	905.111
2012	839.455
2013	877.186
2014	892.398
2015	765.650
2016	783.844
2017	833.575
2018	914.458
2019	910.295
2020	909.065
2021	1030.363
2022	1010.193
2023	1117.101
2024	1142.513
2025	1177.592
2026	1223.053
2027	1269.891
2028	1317.550
2029	1363.567