Year	current US$
1960	1856690568.032687
1961	2017813285.3145816
1962	2239080459.770115
1963	2394815170.4272685
1964	2577548076.9230766
1965	2816057692.307692
1966	3204951923.076923
1967	3616875000
1968	3888605769.230769
1969	4158846153.8461537
1970	4961057692.307693
1971	5039567307.692307
1972	5654078655.371106
1973	7273077748.93127
1974	9331731967.195454
1975	10367987193.259974
1976	11650186276.020271
1977	13326648399.765432
1978	15488857427.600557
1979	17827961261.056896
1980	21174913325.629814
1981	22750088071.080864
1982	23260360947.744785
1983	26067694615.105423
1984	26605490188.845566
1985	24204416035.16374
1986	26456789058.303352
1987	30364661757.609867
1988	34989019872.71387
1989	40096535505.3835
1990	48268856743.72423
1991	54006077173.87705
1992	61042881358.708115
1993	66970144209.561516
1994	76467581329.7775
1995	86841650245.61737
1996	94645582711.19122
1997	79596652681.99223
1998	58741997312.48435
1999	67373596459.43783
2000	68420833638.4181
2001	67369390010.330414
2002	74748505490.55038
2003	84715642909.27406
2004	96605213784.40355
2005	105715172974.32903
2006	120749961795.82257
2007	138172141805.50244
2008	156296069248.7364
2009	149491943801.5312
2010	177973221678.35623
2011	196389099957.0277
2012	211772947170.12067
2013	220894789088.33038
2014	214244913143.48816
2015	206044362022.72986
2016	206722258198.5242
2017	223299328331.5573
2018	247744599496.14713
2019	270757912864.52167
2020	265483025913.89642
2021	264435481987.0587
2022	270420604995.80737
2023	296988732519.0953