Year	current US$
1970	1179181818.1818182
1971	1235693181.818182
1972	1376068181.818182
1973	1632393555.8112772
1974	1639136363.6363637
1975	2128490967.056323
1976	2275764925.373134
1977	2794125809.4357076
1978	3403756957.328386
1979	4282842686.292548
1980	3795171862.509992
1981	2964760147.601476
1982	3415454081.6326528
1983	3395166408.6687303
1984	3396992140.2660217
1985	3009511472.9829755
1986	3963592989.2891917
1987	5065956215.400101
1988	5796819601.249099
1989	5143388585.816197
1990	7259933361.994841
1991	8615077584.595251
1992	10432450840.185913
1993	9051322829.964329
1994	10277247191.011236
1995	12331744374.172672
1996	13817443374.858437
1997	14070909771.621115
1998	13650234059.725586
1999	14737429893.838257
2000	13915034906.41101
2001	14978099811.83309
2002	16702025194.627872
2003	20803775942.966625
2004	23562985339.520523
2005	25406567700.719055
2006	31156980414.94231
2007	37588967323.68953
2008	41433428869.04374
2009	35069455184.44841
2010	34992127027.800064
2011	34976607561.605125
2012	28560816201.698444
2013	27117001471.142822
2014	27557726792.394413
2015	22781909999.477333
2016	24681254069.39072
2017	25484659538.669456
2018	28280008236.19292
2019	27369571066.697994
2020	23190297717.811737
2021	27605819989.04219
2022	26236051822.81333
2023	30824476244.44172