Year	U.S. dollars (Billions)
1980	122.466
1981	112.129
1982	114.891
1983	114.517
1984	109.400
1985	110.965
1986	159.074
1987	199.086
1988	215.360
1989	208.135
1990	265.911
1991	269.003
1992	279.764
1993	272.006
1994	301.246
1995	352.992
1996	340.150
1997	294.749
1998	303.173
1999	297.515
2000	279.240
2001	286.693
2002	309.513
2003	362.165
2004	403.358
2005	418.086
2006	441.727
2007	490.840
2008	566.911
2009	553.735
2010	598.165
2011	715.730
2012	686.393
2013	706.416
2014	726.709
2015	693.900
2016	687.610
2017	695.399
2018	725.783
2019	721.833
2020	741.028
2021	812.441
2022	818.643
2023	885.141
2024	938.458
2025	971.745
2026	1022.424
2027	1062.449
2028	1117.347
2029	1160.827