Year	current US$
1960	43190002.4414063
1961	41209999.0844727
1962	35540000.9155273
1963	82440002.44140631
1964	103159996.032715
1965	92330001.8310547
1966	174720001.220703
1967	159269989.013672
1968	134820007.32421902
1969	150589996.33789098
1970	245540008.544922
1971	283949981.689453
1972	324809997.558594
1973	338000000
1974	487159973.144531
1975	601099975.585938
1976	515339965.820313
1977	469250000
1978	637409973.144531
1979	582179992.675781
1980	646640014.648438
1981	727710021.972656
1982	812660034.179688
1983	833000000
1984	1010619995.11719
1985	982359985.351563
1986	1027690063.47656
1987	1228989990.23438
1988	1545140014.64844
1989	1543119995.11719
1990	1645109985.35156
1991	1743890014.64844
1992	1687170043.94531
1993	1630280029.29688
1994	1427530029.29688
1995	1419570068.35938
1996	1370770019.53125
1997	1264660034.17969
1998	1233930053.71094
1999	1188909912.10938
2000	1182619995.11719
2001	1207719970.70313
2002	1506689941.40625
2003	1351800048.82813
2004	2002780029.29688
2005	2802939941.40625
2006	2518149902.34375
2007	3115959960.9375
2008	3324739990.23438
2009	3117580078.125
2010	3877830078.125
2011	4048130126.95313
2012	3911500000
2013	3466949951.17188
2014	3237330078.125
2015	2946300048.82813
2016	2629709960.9375
2017	3098699951.17188
2018	3450479980.46875
2019	2986429931.64063
2020	3668600097.65625
2021	4807660156.25
2022	4390579915.674408