Year	U.S. dollars (Billions)
1980	42.285
1981	48.969
1982	49.535
1983	54.148
1984	61.071
1985	63.617
1986	78.195
1987	105.039
1988	126.473
1989	152.704
1990	166.622
1991	187.140
1992	222.911
1993	236.339
1994	256.247
1995	279.059
1996	292.494
1997	303.284
1998	279.964
1999	303.830
2000	330.680
2001	299.276
2002	307.439
2003	317.381
2004	346.924
2005	374.060
2006	386.450
2007	406.907
2008	415.901
2009	390.829
2010	444.281
2011	483.974
2012	495.610
2013	512.943
2014	535.328
2015	534.515
2016	543.081
2017	590.733
2018	609.198
2019	611.396
2020	673.178
2021	773.038
2022	760.907
2023	756.592
2024	802.958
2025	854.677
2026	900.208
2027	943.377
2028	975.643
2029	1005.191