Year	U.S. dollars (Billions)
1980	702.243
1981	618.954
1982	588.015
1983	562.499
1984	532.339
1985	557.561
1986	772.838
1987	935.117
1988	1020.878
1989	1026.179
1990	1272.433
1991	1273.594
1992	1404.391
1993	1324.236
1994	1396.653
1995	1602.130
1996	1606.035
1997	1454.555
1998	1505.184
1999	1494.634
2000	1366.243
2001	1377.667
2002	1500.348
2003	1844.083
2004	2118.671
2005	2198.160
2006	2320.659
2007	2660.905
2008	2929.983
2009	2697.955
2010	2647.348
2011	2864.653
2012	2685.371
2013	2811.919
2014	2856.701
2015	2439.436
2016	2472.282
2017	2594.235
2018	2792.223
2019	2729.171
2020	2645.300
2021	2958.296
2022	2780.433
2023	3031.778
2024	3130.014
2025	3223.133
2026	3332.653
2027	3437.176
2028	3544.996
2029	3645.286