Year	current US$
1960	1203.510267059878
1961	1268.155852716928
1962	1354.6429046206324
1963	1439.582034612551
1964	1554.7436207864523
1965	1670.5846762695035
1966	1809.5337868013958
1967	1914.470547292526
1968	2056.944487240861
1969	2245.6271227006437
1970	2441.6744892261167
1971	2683.143460277763
1972	3087.01708961172
1973	3710.5064837883633
1974	4157.890646350976
1975	4599.586110923195
1976	4968.016223306058
1977	5577.607192795894
1978	6642.261982133564
1979	7612.997992504698
1980	8429.70121318084
1981	8493.644659788066
1982	8348.986934835046
1983	8566.491016171689
1984	8871.488316143621
1985	9248.154001681092
1986	11159.339825941675
1987	12850.846846337783
1988	14364.921707129022
1989	14855.730241494546
1990	16531.823321988773
1991	17318.716068996007
1992	18408.531438008053
1993	18413.156613325657
1994	19571.404376790295
1995	21591.40182506908
1996	21642.356181833853
1997	21171.223860608254
1998	21031.039684131363
1999	21907.667746784806
2000	22305.774442565293
2001	22022.022335943893
2002	22873.37056281187
2003	25549.837772057424
2004	28397.335090123688
2005	29983.358097401982
2006	31620.640699953656
2007	34554.07644137047
2008	36768.49886898593
2009	33960.36252739169
2010	35574.87297758395
2011	38570.65785135376
2012	38510.70701844431
2013	38847.08671992536
2014	39280.622452568816
2015	36482.99652604674
2016	36993.53326939802
2017	38707.931542047896
2018	40958.370653470476
2019	41188.77046176238
2020	40023.73829850429
2021	44840.35850053222
2022	46165.615040853605
2023	48220.03316385673