Year	current US$
1960	376.96878560297375
1961	351.2010858627691
1962	331.1462141939052
1963	341.5761929326738
1964	349.9013435190527
1965	369.9805596580791
1966	391.21128802986016
1967	409.9831183555607
1968	440.60066874540456
1969	472.67183237664506
1970	530.7063375597234
1971	565.2875631333505
1972	633.1996600203835
1973	762.0825582566206
1974	809.6960522478535
1975	928.5050858619677
1976	1113.0364255139998
1977	1380.4751970612692
1978	1541.0696348111649
1979	1717.784646565229
1980	2001.1767376202824
1981	1057.4163316123534
1982	1021.8927365612955
1983	1199.8986593004909
1984	1357.6432965765787
1985	1414.1281916432006
1986	1551.6917754304186
1987	1549.9418029355463
1988	1537.4612225191277
1989	1705.4316537981854
1990	1808.49595860746
1991	2221.4746532740173
1992	2578.025037832648
1993	2814.0445412225645
1994	3005.5403169860638
1995	3240.711145332335
1996	3194.1129881855695
1997	3373.41058474058
1998	3580.933884692752
1999	3653.7542083681465
2000	3773.033793196794
2001	3941.5986434920305
2002	4021.42536130228
2003	4123.506487103902
2004	4376.0804284726055
2005	4643.458569925874
2006	5188.3617922489975
2007	6055.086778872028
2008	6841.911460007897
2009	6737.860750531496
2010	8147.243984933754
2011	9137.455100775602
2012	9971.651655765847
2013	10633.26655046227
2014	10737.67888115291
2015	11529.955173019154
2016	11899.813983374785
2017	12118.133624817414
2018	12383.149952276284
2019	12669.341154935053
2020	12179.256673519512
2021	12604.048837465378
2022	13365.356399254557
2023	16595.370383718546