Year	U.S. dollars (Billions)
1980	2.258
1981	2.641
1982	2.669
1983	2.920
1984	3.089
1985	3.208
1986	3.491
1987	3.621
1988	4.270
1989	4.317
1990	4.442
1991	4.861
1992	4.417
1993	4.743
1994	4.954
1995	5.379
1996	5.544
1997	6.027
1998	5.992
1999	6.164
2000	6.537
2001	6.719
2002	6.816
2003	7.218
2004	8.297
2005	9.331
2006	10.316
2007	11.777
2008	14.310
2009	14.663
2010	18.253
2011	21.685
2012	21.703
2013	22.161
2014	22.722
2015	24.361
2016	24.524
2017	28.972
2018	33.112
2019	34.186
2020	33.434
2021	36.927
2022	40.828
2023	41.015
2024	44.179
2025	48.904
2026	53.918
2027	59.463
2028	65.648
2029	72.475