Year	U.S. dollars (Billions)
1980	37.751
1981	40.718
1982	42.467
1983	43.641
1984	46.358
1985	39.692
1986	35.130
1987	40.721
1988	66.546
1989	67.774
1990	29.882
1991	2.928
1992	11.882
1993	6.449
1994	11.338
1995	18.992
1996	12.295
1997	11.317
1998	15.031
1999	13.628
2000	13.246
2001	14.183
2002	16.403
2003	21.146
2004	26.158
2005	29.868
2006	34.380
2007	44.432
2008	54.476
2009	52.024
2010	50.690
2011	57.682
2012	54.297
2013	55.820
2014	57.081
2015	50.766
2016	53.929
2017	59.288
2018	66.398
2019	68.889
2020	70.311
2021	84.100
2022	90.422
2023	101.611
2024	107.933
2025	114.461
2026	120.579
2027	126.442
2028	132.618
2029	138.756