Year	current US$
1960	50930000.3815442
1961	19059999.959543347
1962	30339999.970048662
1963	21610000.103712086
1964	72340000.41522083
1965	90870000.83923332
1966	42410000.525414936
1967	83350000.42058522
1968	62149999.98919661
1969	76029999.06986955
1970	41309999.45662913
1971	64209999.0453571
1972	156669997.78337824
1973	213840001.8904361
1974	134439999.7163564
1975	160940001.860261
1976	162560000.30785793
1977	145960000.73477632
1978	166110000.83386895
1979	178240004.19676304
1980	206420001.6632676
1981	333390003.6104026
1982	280970005.370677
1983	362210004.81583184
1984	357650006.08004665
1985	441060000.6394088
1986	890380013.4398041
1987	706050005.9016054
1988	794909971.9636142
1989	764909997.286275
1990	1112830013.6253233
1991	878330011.7235627
1992	1555400042.1836946
1993	1348300013.9370565
1994	963239976.640791
1995	806720004.0668255
1996	799030012.7640362
1997	595949991.9805677
1998	549779986.2064425
1999	640610014.4367664
2000	532680010.49757
2001	530520000.52481884
2002	536139992.70089
2003	699080034.8613411
2004	439110003.46951246
2005	554109994.297847
2006	547239988.7442592
2007	573460004.3278184
2008	40320001.56492016
2009	295689996.57779926
2010	504059986.3082162
2011	-175560030.42124218
2012	3960004.581139024
2013	230630010.29007187
2014	702130007.0378927
2015	544260005.3343922
2016	311109997.432679
2017	191540000.4442783
2018	499799994.7387726
2019	857860000.2285093
2020	1402479968.9203494
2021	1584659956.8799136
2022	1534340035.1256156