Year	constant 2015 US$
1970	24458.155820329128
1971	25751.185368504088
1972	27062.992665792077
1973	28068.372899229387
1974	27992.671485956267
1975	29280.307659561277
1976	30773.515712831035
1977	31711.039724712446
1978	32473.87554571446
1979	34115.8377518373
1980	36877.29820570049
1981	37784.00571320327
1982	37539.622228274005
1983	38624.19541053841
1984	41014.56224221175
1985	43020.49591947726
1986	41534.005847491586
1987	41497.6888301749
1988	40234.717358721326
1989	40901.50016769217
1990	41828.340862336576
1991	42528.6619024624
1992	43290.12772985095
1993	44267.590985618896
1994	45869.18175633742
1995	47785.83370354188
1996	51112.04015311022
1997	53849.92264454887
1998	52977.4636490323
1999	56023.283290678366
2000	63600.66360545404
2001	64529.42389095822
2002	63138.897198775536
2003	63611.01644795894
2004	67749.19599958607
2005	73989.64064380099
2006	78019.15159367764
2007	78502.86090271293
2008	82106.58297346726
2009	74105.71276948681
2010	75872.72027584964
2011	78339.16891413138
2012	79959.16463568535
2013	79835.11248712531
2014	80297.61200182291
2015	77899.96255243005
2016	75526.67072390528
2017	77599.21237049159
2018	80634.55186964611
2019	77672.77370396716
2020	72521.24559996389
2021	83993.4458783453
2022	105005.98733723963