Year	current US$
1960	322151470.5882353
1961	327979248.36601305
1962	342872712.4183006
1963	348700653.5947712
1964	372012091.50326794
1965	359523809.5238095
1966	375630252.10084033
1967	348895027.62430936
1968	329991956.78271306
1969	408853541.4165666
1970	434584033.6134454
1971	419495908.54392296
1972	465254431.9600499
1973	575471323.5294118
1974	648940350.877193
1975	679352433.6283185
1976	594810152.7403413
1977	692079581.1518323
1978	960765042.9799428
1979	1109343235.5723746
1980	1100476190.4761906
1981	1114926660.9145815
1982	1294995964.48749
1983	995278514.5888594
1984	1087450199.2031872
1985	856890498.6258345
1986	490181456.6244097
1987	660106321.4170314
1988	1055083945.3773758
1989	932974411.9171418
1990	649644097.5661292
1991	780098205.2150356
1992	679997997.5971165
1993	768812334.8017621
1994	911915970.683484
1995	870758739.4067796
1996	941742152.7098947
1997	850218033.6220071
1998	672375927.3471476
1999	669384768.8726305
2000	635874002.1987478
2001	1074851475.1787333
2002	1236235826.5840876
2003	1369685676.5620341
2004	1430217080.6648653
2005	1627058424.9380882
2006	1862116290.5409992
2007	2126679543.5862286
2008	2451896435.201567
2009	2419014960.199666
2010	2578159803.945967
2011	2932274309.395695
2012	3789251613.360656
2013	4920343316.870933
2014	5015180725.341599
2015	4252029353.8219075
2016	3862721266.0216155
2017	3719443418.2615533
2018	4085114387.556054
2019	4076578698.7910733
2020	4062906265.7332044
2021	4249234704.01866
2022	4094563859.4355636
2023	3809832236.9595933