Year	U.S. dollars (Billions)
1980	145.819
1981	167.583
1982	179.166
1983	143.652
1984	142.957
1985	226.938
1986	263.256
1987	286.539
1988	320.105
1989	439.434
1990	455.335
1991	399.249
1992	382.465
1993	429.184
1994	546.764
1995	770.860
1996	851.146
1997	883.862
1998	864.307
1999	599.642
2000	655.454
2001	559.982
2002	509.798
2003	558.232
2004	669.290
2005	891.633
2006	1107.628
2007	1397.114
2008	1695.855
2009	1669.204
2010	2208.704
2011	2614.027
2012	2464.053
2013	2471.718
2014	2456.055
2015	1800.046
2016	1796.622
2017	2063.519
2018	1916.934
2019	1873.286
2020	1476.092
2021	1670.650
2022	1951.849
2023	2173.671
2024	2331.391
2025	2437.906
2026	2596.117
2027	2760.057
2028	2903.891
2029	3058.227