Year	U.S. dollars (Billions)
1980	7.269
1981	8.849
1982	9.285
1983	9.733
1984	10.726
1985	11.916
1986	9.433
1987	9.890
1988	9.613
1989	10.743
1990	13.395
1991	13.000
1992	14.274
1993	14.321
1994	14.808
1995	15.821
1996	17.512
1997	18.154
1998	16.044
1999	17.833
2000	22.259
2001	22.206
2002	23.066
2003	24.734
2004	28.379
2005	35.507
2006	42.578
2007	48.300
2008	69.805
2009	55.454
2010	64.994
2011	77.497
2012	87.409
2013	89.936
2014	92.699
2015	78.711
2016	75.129
2017	80.857
2018	91.505
2019	88.061
2020	75.909
2021	88.192
2022	114.667
2023	109.133
2024	108.927
2025	111.052
2026	114.812
2027	119.129
2028	124.098
2029	127.526