Year	U.S. dollars (Billions)
1980	162.957
1981	188.448
1982	187.087
1983	179.514
1984	197.175
1985	174.419
1986	181.514
1987	213.142
1988	271.143
1989	308.356
1990	324.069
1991	324.449
1992	318.084
1993	309.298
1994	353.374
1995	379.095
1996	424.750
1997	426.412
1998	381.500
1999	412.062
2000	400.254
2001	378.004
2002	425.486
2003	541.343
2004	658.941
2005	736.417
2006	783.356
2007	950.040
2008	1056.715
2009	1000.983
2010	1254.773
2011	1515.485
2012	1570.239
2013	1520.194
2014	1457.632
2015	1234.526
2016	1263.874
2017	1382.612
2018	1419.098
2019	1388.204
2020	1364.901
2021	1657.799
2022	1724.924
2023	1741.882
2024	1790.348
2025	1863.238
2026	1940.478
2027	2016.877
2028	2107.311
2029	2208.401