Year	current US$
1960	943.6108001031212
1961	1040.8048847897142
1962	1097.3122019369216
1963	1177.168242006327
1964	1280.4725765227456
1965	1386.5080072156309
1966	1499.9240970196456
1967	1583.3432006722492
1968	1692.2905712198033
1969	1841.2901422238992
1970	2058.7690508754913
1971	2380.978458017423
1972	2924.048878991049
1973	3890.722419419687
1974	4630.757197379559
1975	5285.620724141213
1976	5678.3866581001785
1977	6810.627684696336
1978	8205.468977150396
1979	9793.765348150167
1980	10869.54649405255
1981	9385.249063983432
1982	9410.347256529889
1983	9537.407420433776
1984	8991.06503963026
1985	9172.096760018328
1986	13083.072662104383
1987	16392.769523474904
1988	17578.618939739667
1989	17468.946137256946
1990	21680.989623313002
1991	22410.911766665427
1992	24880.164118036148
1993	24081.52779280042
1994	25646.70065916842
1995	30325.849581839615
1996	29809.076773082146
1997	26705.47859938913
1998	27361.875110643698
1999	27183.475926395644
2000	24625.600722743384
2001	24558.763677886778
2002	26527.59309103471
2003	32294.04886065587
2004	36889.23351351943
2005	38417.45778576772
2006	40669.326958615246
2007	46915.33740045066
2008	51919.98357542264
2009	48153.32401996311
2010	46903.76158543428
2011	51442.27624644072
2012	48564.91733508746
2013	50731.12725418466
2014	51786.37717479049
2015	44195.817594774824
2016	45307.58786204294
2017	47429.15845643865
2018	51466.55656336336
2019	50067.58572658923
2020	48789.49784988721
2021	53517.89045096115
2022	52084.68119533723
2023	56505.96827968673