Year	current US$
1960	359.5450596950953
1961	378.21202774612584
1962	392.934591409938
1963	424.1896339758689
1964	485.8000500219215
1965	511.0207449854159
1966	550.4698833105703
1967	581.7294505550008
1968	622.425063446123
1969	666.7433859487198
1970	706.3131871416161
1971	755.3324884014554
1972	844.1744381141323
1973	1000.9378722679063
1974	1264.358369736318
1975	1499.35556675453
1976	1470.1767593973998
1977	1315.591442771254
1978	1600.782469924904
1979	2039.199071566307
1980	3036.356114079544
1981	3810.247971051433
1982	2612.666523602092
1983	2166.5694894069425
1984	2506.8937473211345
1985	2607.6644651684196
1986	1765.2627827465858
1987	1902.4615342833265
1988	2302.021953638621
1989	2759.4759191268695
1990	3196.92006131977
1991	3756.8525970708133
1992	4272.788725970178
1993	6118.525863291079
1994	6268.718322849952
1995	4225.400448352132
1996	4718.574085731559
1997	5617.430243991007
1998	5882.4214338637985
1999	6552.661075496895
2000	7581.845641470028
2001	8009.158339724471
2002	8032.9921205853925
2003	7473.932373569339
2004	7883.523190828499
2005	8702.11448264527
2006	9545.286727031535
2007	10178.44223881045
2008	10589.951872913436
2009	8495.653080037771
2010	9823.164074594772
2011	10766.609940231074
2012	10842.733089485622
2013	11317.491060480921
2014	11490.021691422626
2015	10098.173182095032
2016	9152.73722379028
2017	9693.330090824873
2018	10130.320697617231
2019	10434.567619395491
2020	8895.61521605941
2021	10363.19272219724
2022	11476.67880577636
2023	13926.113619091442