Year	U.S. dollars (Billions)
1980	96.596
1981	97.865
1982	88.918
1983	84.968
1984	82.642
1985	92.827
1986	102.337
1987	118.926
1988	125.032
1989	147.727
1990	207.508
1991	208.402
1992	219.176
1993	248.573
1994	179.359
1995	233.566
1996	250.486
1997	261.857
1998	275.834
1999	256.566
2000	274.321
2001	202.248
2002	240.191
2003	314.752
2004	409.127
2005	506.186
2006	555.126
2007	680.489
2008	770.820
2009	648.797
2010	776.558
2011	838.508
2012	880.141
2013	957.504
2014	938.512
2015	864.071
2016	869.280
2017	858.932
2018	780.190
2019	760.520
2020	720.159
2021	818.337
2022	905.841
2023	1108.453
2024	1113.561
2025	1106.916
2026	1153.494
2027	1197.314
2028	1241.708
2029	1286.119