Year	U.S. dollars (Billions)
1980	4.253
1981	4.814
1982	5.319
1983	5.461
1984	5.700
1985	6.030
1986	6.266
1987	6.294
1988	5.441
1989	5.456
1990	5.931
1991	6.522
1992	7.414
1993	8.096
1994	8.633
1995	8.825
1996	10.406
1997	11.245
1998	12.191
1999	12.775
2000	12.958
2001	13.166
2002	13.685
2003	14.422
2004	15.811
2005	17.244
2006	19.109
2007	22.072
2008	26.072
2009	28.104
2010	30.513
2011	35.950
2012	41.902
2013	47.261
2014	51.740
2015	56.062
2016	60.017
2017	64.468
2018	67.294
2019	69.722
2020	57.087
2021	67.407
2022	76.523
2023	83.382
2024	87.347
2025	91.731
2026	97.309
2027	103.225
2028	109.501
2029	116.159