Year	current US$
1960	53050744.47442523
1961	68012099.75107963
1962	77616113.83696696
1963	90454132.66606124
1964	92316135.39699858
1965	101005481.47470616
1966	115313502.45980361
1967	125864851.26844853
1968	147294216.03151685
1969	183750269.50039527
1970	227295000.0326667
1971	282470926.43407816
1972	326121873.6683384
1973	399857777.7777778
1974	533165133.88133806
1975	590176043.3337437
1976	656728376.8397081
1977	700501861.7451837
1978	811593014.6757399
1979	904397537.3790677
1980	1147889266.9916308
1981	1330842518.2140856
1982	1724381123.6805985
1983	1905093457.9439251
1984	2095693327.0231898
1985	2565843139.093338
1986	2355302031.7258306
1987	2408468816.0191054
1988	2500759734.0930676
1989	2965215662.8900814
1990	3439111931.4977183
1991	4204978292.3299565
1992	4601198182.651951
1993	5461906892.661242
1994	6020777193.795648
1995	7245577211.394302
1996	8621947872.437752
1997	8770708092.505014
1998	8138733103.808433
1999	8099556507.923209
2000	10092037938.169207
2001	10424993149.052616
2002	10956847694.723743
2003	11145442241.14229
2004	11869937073.57824
2005	12649325851.945179
2006	14724409399.26353
2007	16531064254.443296
2008	19580934098.82667
2009	19279072405.57849
2010	23241154434.004055
2011	25803720217.272392
2012	26138935212.00695
2013	29970910253.33653
2014	30324612288.38641
2015	31387849362.646156
2016	32727321421.074654
2017	34979090102.64859
2018	37578826875.201096
2019	38628589943.393654
2020	42759081045.586784
2021	46033928229.83246
2022	47088020529.97569
2023	51279633771.16059