Year	U.S. dollars (Billions)
1980	4.854
1981	2.636
1982	2.619
1983	3.162
1984	3.678
1985	3.941
1986	4.425
1987	4.554
1988	4.636
1989	5.250
1990	5.737
1991	7.197
1992	8.566
1993	9.586
1994	10.489
1995	11.578
1996	11.683
1997	12.618
1998	13.688
1999	14.259
2000	15.016
2001	15.979
2002	16.584
2003	17.277
2004	18.615
2005	20.049
2006	22.717
2007	26.885
2008	30.802
2009	30.746
2010	37.656
2011	42.762
2012	47.231
2013	50.949
2014	52.017
2015	56.442
2016	58.847
2017	60.517
2018	62.422
2019	64.412
2020	62.382
2021	64.954
2022	69.235
2023	86.509
2024	96.058
2025	102.334
2026	108.021
2027	114.297
2028	120.956
2029	127.867