Year	constant 2021 US$
1960	509339794
1961	493444356
1962	353374570
1963	541244099
1964	634749702
1965	757287569
1966	1439492022
1967	1394039958
1968	1334817993
1969	1410857545
1970	2045448002
1971	2180051447
1972	2428040774
1973	2458850807
1974	2901655644
1975	3346820218
1976	2992122572
1977	3379139200
1978	3628103927
1979	3372405423
1980	3121452433
1981	3207674887
1982	3052186272
1983	3443710358
1984	3973279172
1985	4070675164
1986	4173661053
1987	4228048751.0000005
1988	4673476784
1989	4244819260.9999995
1990	4307232561
1991	4327131155
1992	4345304496
1993	4368323165
1994	4273299623
1995	3857891774
1996	3273270356
1997	3742460661
1998	3352098833
1999	3293270030
2000	3224585321
2001	2907245432
2002	3807252450
2003	3331610104
2004	3837517734
2005	5008569866
2006	4481900892
2007	4552663629
2008	5150211540
2009	4667176080
2010	5340731110
2011	5199812940
2012	5372225161
2013	4766905487
2014	4297356944
2015	5060661312
2016	4785606022
2017	5005186575
2018	5301338852
2019	5226648631
2020	5632181484
2021	6257690000
2022	8895781849