Year	U.S. dollars (Billions)
1980	164.540
1981	184.292
1982	153.240
1983	129.180
1984	119.631
1985	103.894
1986	86.886
1987	85.582
1988	88.138
1989	95.217
1990	117.474
1991	132.047
1992	136.905
1993	132.790
1994	134.994
1995	143.151
1996	158.450
1997	165.742
1998	146.775
1999	161.717
2000	189.514
2001	184.137
2002	189.605
2003	215.807
2004	258.741
2005	328.205
2006	376.397
2007	415.687
2008	519.796
2009	429.097
2010	528.206
2011	676.635
2012	741.850
2013	753.865
2014	766.606
2015	669.484
2016	666.000
2017	714.994
2018	846.584
2019	838.564
2020	734.271
2021	874.156
2022	1108.572
2023	1067.583
2024	1106.015
2025	1171.003
2026	1228.906
2027	1289.618
2028	1349.310
2029	1429.303