Year	U.S. dollars (Billions)
1980	1129.381
1981	1245.224
1982	1158.735
1983	1270.864
1984	1345.829
1985	1427.025
1986	2120.091
1987	2580.757
1988	3125.735
1989	3109.464
1990	3185.914
1991	3648.078
1992	3980.715
1993	4536.955
1994	4998.798
1995	5545.566
1996	4923.393
1997	4492.449
1998	4098.363
1999	4635.982
2000	4968.360
2001	4374.710
2002	4182.845
2003	4519.564
2004	4893.135
2005	4831.467
2006	4601.663
2007	4579.750
2008	5106.679
2009	5289.494
2010	5759.072
2011	6233.148
2012	6272.362
2013	5212.328
2014	4896.995
2015	4444.931
2016	5003.678
2017	4930.837
2018	5040.881
2019	5117.995
2020	5055.587
2021	5034.621
2022	4256.410
2023	4212.944
2024	4110.452
2025	4310.366
2026	4499.524
2027	4649.090
2028	4836.331
2029	4944.744