Year	U.S. dollars (Billions)
1980	230.759
1981	204.588
1982	197.643
1983	172.856
1984	172.381
1985	181.620
1986	251.304
1987	318.389
1988	374.068
1989	412.590
1990	535.652
1991	576.446
1992	630.122
1993	529.319
1994	531.137
1995	613.946
1996	640.026
1997	589.376
1998	618.414
1999	635.968
2000	598.628
2001	627.834
2002	708.256
2003	907.264
2004	1068.570
2005	1154.354
2006	1260.466
2007	1474.176
2008	1631.685
2009	1489.853
2010	1423.270
2011	1480.450
2012	1325.590
2013	1355.599
2014	1372.174
2015	1196.278
2016	1233.215
2017	1312.782
2018	1422.347
2019	1394.474
2020	1277.106
2021	1446.613
2022	1418.916
2023	1581.151
2024	1647.114
2025	1715.584
2026	1772.090
2027	1829.221
2028	1890.022
2029	1950.639
