Year	U.S. dollars (Billions)
1980	604.697
1981	588.342
1982	559.326
1983	532.925
1984	504.939
1985	537.200
1986	655.035
1987	814.102
1988	989.706
1989	1007.623
1990	1197.021
1991	1248.625
1992	1289.587
1993	1155.162
1994	1241.720
1995	1344.504
1996	1421.099
1997	1561.239
1998	1653.852
1999	1688.248
2000	1668.690
2001	1650.252
2002	1788.549
2003	2056.294
2004	2422.619
2005	2546.038
2006	2712.257
2007	3091.695
2008	2960.390
2009	2421.476
2010	2487.924
2011	2664.719
2012	2707.571
2013	2786.665
2014	3066.304
2015	2928.558
2016	2699.086
2017	2682.384
2018	2875.024
2019	2853.074
2020	2699.734
2021	3142.262
2022	3100.109
2023	3344.744
2024	3495.261
2025	3685.408
2026	3915.566
2027	4144.371
2028	4394.713
2029	4661.463