Year	U.S. dollars (Billions)
1980	25.013
1981	26.503
1982	28.404
1983	31.678
1984	29.989
1985	27.873
1986	34.314
1987	40.984
1988	50.770
1989	51.657
1990	60.955
1991	69.146
1992	77.265
1993	77.656
1994	88.646
1995	105.307
1996	114.868
1997	119.248
1998	120.359
1999	121.167
2000	136.228
2001	134.622
2002	125.055
2003	131.314
2004	139.900
2005	147.103
2006	158.722
2007	184.069
2008	220.551
2009	212.452
2010	238.913
2011	267.406
2012	262.919
2013	297.636
2014	314.092
2015	302.724
2016	320.960
2017	357.229
2018	375.151
2019	399.652
2020	411.731
2021	489.710
2022	525.003
2023	509.478
2024	530.664
2025	569.509
2026	594.688
2027	621.711
2028	651.253
2029	682.284