Year	U.S. dollars (Billions)
1980	1.493
1981	1.695
1982	1.808
1983	1.932
1984	1.851
1985	2.199
1986	2.490
1987	2.765
1988	2.959
1989	3.090
1990	2.954
1991	2.179
1992	2.313
1993	2.231
1994	1.418
1995	1.470
1996	1.593
1997	2.144
1998	2.290
1999	2.131
2000	2.049
2001	1.967
2002	1.963
2003	2.139
2004	2.388
2005	2.943
2006	3.317
2007	4.069
2008	5.183
2009	5.675
2010	6.124
2011	6.885
2012	7.654
2013	7.821
2014	8.240
2015	8.546
2016	8.695
2017	9.253
2018	9.637
2019	10.345
2020	10.173
2021	11.053
2022	13.309
2023	14.020
2024	13.701
2025	14.135
2026	15.180
2027	16.374
2028	17.802
2029	19.478