Year	current US$
1960	6019999.999552965
1961	11000000
1962	12079999.99821186
1963	14620000.002905726
1964	17009999.997913837
1965	18689999.6884167
1966	22789999.20189376
1967	24319999.63894489
1968	15119999.665766986
1969	13259999.912232162
1970	14540000.06429851
1971	17360000.129789114
1972	13850000.051781537
1973	22280000.10363758
1974	21009999.912232153
1975	25410000.1398474
1976	37250000.920146696
1977	23000000.230968
1978	23709999.676793817
1979	50210000.38087367
1980	24010000.349953797
1981	26749999.832361907
1982	31299999.65429309
1983	40700000.04954637
1984	62360000.045970045
1985	72169999.47093429
1986	86099999.55445528
1987	180660001.64859
1988	138170000.68351632
1989	132710000.58576466
1990	129109999.91931021
1991	179240000.1119822
1992	211719999.75480136
1993	177570002.35095626
1994	182149999.49000773
1995	172930000.256747
1996	223720000.64328313
1997	152990000.93899676
1998	169050000.31366944
1999	144340000.3612042
2000	144980001.71780583
2001	153380002.04041606
2002	214369998.84620306
2003	189189998.07536608
2004	173990001.7362088
2005	227320005.0164014
2006	199409998.56591225
2007	218919998.0590492
2008	236669997.96964225
2009	210210001.49473554
2010	151049999.0209936
2011	156810000.62823305
2012	156309999.43800277
2013	152249999.86402693
2014	166420002.24068752
2015	315629995.85829705
2016	237959997.79179695
2017	203530002.24195424
2018	400439995.9798906
2019	466739996.2246418
2020	315089999.2827321
2021	264869996.6128915
2022	344100003.84226406