Year	U.S. dollars (Billions)
1980	37.082
1981	40.735
1982	42.441
1983	37.953
1984	35.860
1985	34.973
1986	34.129
1987	37.932
1988	43.293
1989	48.652
1990	50.508
1991	51.784
1992	60.422
1993	62.037
1994	73.159
1995	84.644
1996	94.650
1997	94.106
1998	74.492
1999	85.640
2000	83.667
2001	78.921
2002	84.307
2003	87.039
2004	95.002
2005	107.420
2006	127.653
2007	155.980
2008	181.007
2009	176.132
2010	208.369
2011	234.217
2012	261.920
2013	283.903
2014	297.484
2015	306.446
2016	318.627
2017	328.481
2018	346.842
2019	376.823
2020	361.751
2021	394.087
2022	404.284
2023	436.622
2024	471.516
2025	509.379
2026	551.560
2027	596.935
2028	650.628
2029	709.641