Year	U.S. dollars (Billions)
1980	41.725
1981	46.461
1982	43.205
1983	39.588
1984	39.245
1985	38.519
1986	30.526
1987	33.519
1988	34.069
1989	39.325
1990	50.682
1991	49.300
1992	51.952
1993	52.144
1994	57.395
1995	63.432
1996	72.853
1997	77.167
1998	75.304
1999	84.420
2000	102.987
2001	103.312
2002	109.816
2003	124.346
2004	147.812
2005	180.616
2006	222.117
2007	257.883
2008	315.464
2009	253.547
2010	300.189
2011	360.833
2012	384.610
2013	400.219
2014	414.105
2015	370.276
2016	369.255
2017	390.517
2018	427.049
2019	417.990
2020	349.473
2021	415.179
2022	507.064
2023	504.173
2024	527.796
2025	550.240
2026	577.754
2027	609.469
2028	645.345
2029	685.153