Year	U.S. dollars (Billions)
1980	24.775
1981	26.355
1982	24.678
1983	23.904
1984	26.817
1985	28.819
1986	29.639
1987	32.449
1988	34.914
1989	38.070
1990	41.068
1991	42.488
1992	43.292
1993	43.684
1994	46.438
1995	51.842
1996	55.445
1997	57.599
1998	59.879
1999	61.526
2000	61.687
2001	62.537
2002	65.036
2003	71.755
2004	77.152
2005	79.530
2006	86.028
2007	95.374
2008	109.765
2009	122.760
2010	138.094
2011	154.097
2012	159.749
2013	179.676
2014	207.102
2015	233.687
2016	265.236
2017	293.755
2018	321.379
2019	351.238
2020	373.902
2021	416.265
2022	460.201
2023	446.349
2024	455.162
2025	491.815
2026	546.924
2027	613.706
2028	691.865
2029	779.978