Year	U.S. dollars (Billions)
1980	7.486
1981	12.120
1982	8.410
1983	9.619
1984	7.399
1985	6.771
1986	6.746
1987	10.878
1988	11.268
1989	9.136
1990	7.452
1991	3.897
1992	3.645
1993	4.311
1994	6.240
1995	7.473
1996	7.713
1997	8.407
1998	8.230
1999	7.823
2000	7.756
2001	7.835
2002	8.425
2003	8.725
2004	10.750
2005	12.460
2006	14.079
2007	17.512
2008	22.419
2009	24.107
2010	24.683
2011	27.501
2012	30.939
2013	32.331
2014	34.754
2015	30.122
2016	30.278
2017	31.589
2018	34.127
2019	37.892
2020	37.901
2021	42.747
2022	47.567
2023	51.819
2024	56.310
2025	62.056
2026	67.460
2027	73.671
2028	80.968
2029	90.141