Year	U.S. dollars (Billions)
1980	99.296
1981	110.848
1982	113.799
1983	103.149
1984	107.218
1985	107.062
1986	101.220
1987	95.214
1988	107.279
1989	122.582
1990	138.258
1991	154.558
1992	168.280
1993	190.913
1994	213.727
1995	244.227
1996	274.722
1997	260.680
1998	115.323
1999	169.158
2000	179.482
2001	174.507
2002	212.807
2003	255.346
2004	279.344
2005	310.920
2006	396.518
2007	470.092
2008	558.291
2009	578.577
2010	755.094
2011	892.969
2012	917.870
2013	912.524
2014	890.815
2015	860.854
2016	931.877
2017	1015.619
2018	1042.272
2019	1119.100
2020	1059.055
2021	1186.510
2022	1319.076
2023	1371.171
2024	1475.690
2025	1613.904
2026	1746.604
2027	1886.118
2028	2035.959
2029	2194.815