Year	U.S. dollars (Billions)
1980	12.082
1981	14.367
1982	15.879
1983	18.011
1984	19.563
1985	18.573
1986	18.780
1987	21.629
1988	26.551
1989	31.436
1990	38.892
1991	45.465
1992	52.131
1993	60.604
1994	73.689
1995	87.813
1996	96.293
1997	100.124
1998	85.728
1999	86.287
2000	96.077
2001	89.794
2002	92.538
2003	97.646
2004	115.034
2005	127.808
2006	148.627
2007	180.942
2008	193.617
2009	194.150
2010	239.808
2011	279.357
2012	295.093
2013	307.576
2014	314.864
2015	307.999
2016	319.054
2017	343.257
2018	376.893
2019	376.902
2020	349.488
2021	434.111
2022	498.475
2023	501.428
2024	525.228
2025	548.148
2026	573.465
2027	599.299
2028	626.285
2029	654.713
