Year	current US$
1960	27392931.476228803
1961	22470097.88815957
1962	23547276.925172694
1963	29521377.12637799
1964	33034386.503009398
1965	43212948.82520933
1966	49061961.83590992
1967	60547019.946728826
1968	62251310.35849562
1969	70874406.51673588
1970	81609754.66787122
1971	93259582.79598288
1972	109969550.67945786
1973	130886433.37169036
1974	163593500.8123731
1975	226162498.3843716
1976	216705687.16212824
1977	260873185.2544244
1978	320872361.5686293
1979	439163941.3993999
1980	524469593.85161525
1981	567561866.3107064
1982	508205555.3580717
1983	345886016.98420584
1984	325136016.57698476
1985	383239093.3147097
1986	435776312.6671961
1987	483576069.85601974
1988	519824990.12357706
1989	372643204.1819702
1990	520152830.0457274
1991	602729540.3814446
1992	567957714.399145
1993	748725748.4683384
1994	576481296.5486877
1995	790421147.7970283
1996	708783072.1476585
1997	715320152.6908286
1998	797921958.7906147
1999	1154049285.568659
2000	941345994.0622435
2001	1040788979.3830904
2002	1008395973.1100818
2003	1228828001.9025295
2004	1324063349.9386973
2005	1353744164.6990054
2006	1527581986.8139126
2007	2211437454.1410813
2008	2509050412.396711
2009	2412711824.804745
2010	2704110555.3483562
2011	2819548390.7893662
2012	2990340508.514067
2013	3959347660.2849164
2014	4495143318.074893
2015	3648295538.292952
2016	3709467045.80246
2017	4352984748.390508
2018	4923520743.920199
2019	4900152192.296468
2020	3915530456.104799
2021	4799723188.710514
2022	5102216512.854368
2023	5932874631.172766