Year	U.S. dollars (Billions)
1980	233.696
1981	189.802
1982	94.250
1983	116.267
1984	130.544
1985	98.599
1986	118.565
1987	121.561
1988	142.386
1989	91.352
1990	158.024
1991	211.979
1992	255.787
1993	264.429
1994	287.835
1995	288.497
1996	304.282
1997	327.436
1998	334.244
1999	316.998
2000	317.759
2001	300.421
2002	112.458
2003	142.431
2004	164.911
2005	199.273
2006	232.892
2007	287.921
2008	363.545
2009	334.633
2010	424.729
2011	527.644
2012	579.666
2013	611.471
2014	563.614
2015	642.464
2016	556.774
2017	643.861
2018	524.431
2019	446.762
2020	385.218
2021	487.377
2022	630.662
2023	654.892
2024	604.260
2025	558.957
2026	592.490
2027	629.443
2028	663.404
2029	694.081