Year	current US$
1960	173190001.33126974
1961	609730000.1811236
1962	494269999.90269554
1963	578489997.2323331
1964	598169998.6793104
1965	750489991.2700064
1966	733920006.2770394
1967	594649993.7679622
1968	666989990.7447397
1969	543169998.6997991
1970	556789999.4999169
1971	498259998.6977873
1972	493879999.97660506
1973	529330002.6748328
1974	650279999.6323886
1975	676189998.9042435
1976	754359996.7639899
1977	715079998.3795737
1978	923959995.476529
1979	1143820002.3621318
1980	1227659993.4604023
1981	1537420006.4744809
1982	1786539997.1865118
1983	1977029999.611899
1984	2088939992.817119
1985	2467140002.5598702
1986	2713959995.556623
1987	3250820003.7013745
1988	3262090009.1305375
1989	3688279990.7196302
1990	3914829994.0489235
1991	4638449998.784811
1992	4040649998.4785914
1993	4068240006.1078367
1994	4587579984.791576
1995	4945560012.454165
1996	5893920008.718967
1997	3912849997.8519983
1998	4193500017.175449
1999	4414379989.08013
2000	3888269973.447549
2001	4744749996.1908865
2002	4091560008.3712482
2003	4859579981.973397
2004	5544560001.170259
2005	5320100006.515161
2006	5818189986.871557
2007	5748320004.120466
2008	7743840038.185936
2009	7346960015.490654
2010	7971780050.216249
2011	8490380001.375455
2012	7466420028.042048
2013	7114149991.115561
2014	6887640027.279036
2015	6761329974.781719
2016	8980779884.198685
2017	5913680001.441388
2018	7801369993.846866
2019	6228490006.9758215
2020	8531399998.888381
2021	8919590013.323357
2022	6715019996.901975