Year	current US$
1970	144340000.44129792
1971	201319998.97584313
1972	191119996.77121598
1973	163590003.60406947
1974	235170000.65371382
1975	218320002.16282943
1976	241989999.5010342
1977	206849998.19844922
1978	308900000.2257525
1979	449669997.8522958
1980	328440003.3522394
1981	465610008.2509221
1982	235810000.224039
1983	237050002.00495154
1984	222109996.26107547
1985	202500003.48500907
1986	320019997.5799773
1987	167589999.53046438
1988	275159998.8043311
1989	221570004.76866955
1990	419949993.8841912
1991	435690001.1468681
1992	478380001.8969927
1993	432230005.8864058
1994	509380005.1920113
1995	551550004.1991471
1996	524670009.3653055
1997	562910012.5841794
1998	594580006.1188642
1999	673409985.9036503
2000	667370008.487254
2001	571760007.7819084
2002	1281949992.0029192
2003	910100000.202656
2004	1161450000.8746984
2005	2333910012.096167
2006	1044409991.562367
2007	278289996.2812662
2008	1927129965.5754125
2009	1223590032.0932271
2010	1029370026.7057867
2011	776600008.0890958
2012	880529988.1845719
2013	895639987.7127265
2014	835710000.3436207
2015	1094790002.9607122
2016	1230619986.161589
2017	1016430004.3042748
2018	1123379999.5258443
2019	1287650000.1084058
2020	1160780008.304864
2021	1068540000.604466
2022	887009992.7764381