Year	current US$
1960	49.99383985067255
1961	51.32196538921796
1962	54.309575736816925
1963	46.08744757402359
1964	45.08833375416263
1965	65.45627077820106
1966	79.05808293514777
1967	71.86789705081235
1968	64.51168526417585
1969	64.47433691943677
1970	69.27090364246358
1971	69.10171857756191
1972	78.4616257124219
1973	72.89325300282913
1974	89.38255121298411
1975	113.15820724447116
1976	102.08809865395928
1977	95.00750149651935
1978	107.7431176288876
1979	121.48454462857086
1980	124.734708371297
1981	142.49298404554463
1982	146.53487315552374
1983	146.18146588318797
1984	150.58138575064388
1985	149.3630940244513
1986	158.9337015742306
1987	161.3675903391204
1988	186.26447549797734
1989	184.13223339801183
1990	184.92364549132657
1991	194.80001667549573
1992	164.29280892417026
1993	172.09667014445313
1994	186.5942634629816
1995	197.3096504756898
1996	198.45446513166297
1997	211.56194654408569
1998	204.8765069778656
1999	208.4914737582148
2000	223.7118918506087
2001	240.7051591645524
2002	238.86125411972205
2003	246.48583783973015
2004	279.7242003179083
2005	309.31041863281683
2006	341.02814003937397
2007	386.5295863624416
2008	466.6933791227125
2009	475.63597612013996
2010	589.1654349130378
2011	791.2255821056827
2012	794.0925641014052
2013	809.3844533143783
2014	827.7447083698037
2015	882.3076615999199
2016	880.2248936398238
2017	1027.9654766018864
2018	1161.5343515291756
2019	1185.6823182781498
2020	1139.1898946838826
2021	1229.3942040152067
2022	1348.1571895603522
2023	1324.031984333725