Year	U.S. dollars (Billions)
1980	26.757
1981	27.321
1982	29.278
1983	32.745
1984	37.087
1985	34.090
1986	30.303
1987	34.529
1988	37.845
1989	41.678
1990	47.245
1991	53.519
1992	64.427
1993	72.857
1994	81.156
1995	96.606
1996	109.846
1997	109.116
1998	78.639
1999	86.203
2000	102.149
2001	101.054
2002	109.833
2003	120.025
2004	135.869
2005	150.345
2006	170.410
2007	202.732
2008	241.946
2009	211.847
2010	258.640
2011	302.184
2012	318.909
2013	327.869
2014	342.868
2015	301.355
2016	301.256
2017	319.109
2018	358.783
2019	365.178
2020	337.456
2021	373.832
2022	407.027
2023	415.569
2024	445.519
2025	477.829
2026	509.068
2027	538.333
2028	570.626
2029	603.082