Year	U.S. dollars (Billions)
1980	23.807
1981	19.329
1982	19.510
1983	17.635
1984	16.130
1985	16.280
1986	21.497
1987	23.713
1988	28.080
1989	28.901
1990	32.661
1991	34.940
1992	36.483
1993	34.259
1994	38.532
1995	42.238
1996	46.710
1997	42.366
1998	45.243
1999	45.055
2000	42.053
2001	42.704
2002	45.711
2003	56.345
2004	64.528
2005	67.468
2006	74.284
2007	85.539
2008	100.112
2009	100.535
2010	100.881
2011	109.705
2012	106.345
2013	115.608
2014	119.131
2015	110.414
2016	111.573
2017	118.541
2018	127.341
2019	128.920
2020	121.354
2021	141.818
2022	130.913
2023	143.963
2024	152.377
2025	161.436
2026	170.859
2027	180.096
2028	189.674
2029	199.772