Year	U.S. dollars (Billions)
1980	22.559
1981	23.479
1982	23.245
1983	22.492
1984	22.385
1985	22.546
1986	27.437
1987	36.990
1988	45.520
1989	44.022
1990	45.799
1991	43.435
1992	41.520
1993	44.805
1994	52.920
1995	62.241
1996	69.101
1997	68.867
1998	56.816
1999	58.898
2000	54.127
2001	53.129
2002	62.060
2003	82.408
2004	101.599
2005	113.266
2006	109.738
2007	134.876
2008	135.373
2009	121.701
2010	145.360
2011	166.949
2012	175.033
2013	187.132
2014	200.153
2015	176.326
2016	185.901
2017	203.626
2018	209.600
2019	210.762
2020	210.257
2021	249.736
2022	242.350
2023	249.040
2024	257.626
2025	266.774
2026	277.688
2027	288.508
2028	301.286
2029	314.499