Year	current US$
1970	1231929999.4651222
1971	1344060002.747923
1972	1066230002.7068702
1973	1135190001.571551
1974	1412849999.9586494
1975	2260320006.841794
1976	1601700001.4260411
1977	1468989993.6728177
1978	2088560004.889965
1979	2404989984.2794995
1980	2357200006.442144
1981	2647640017.3548613
1982	2288909985.685722
1983	2199580002.6413054
1984	2210599991.630763
1985	2141180002.8700385
1986	3071389987.861738
1987	3062950011.489912
1988	3873980000.367389
1989	3823550003.5360446
1990	3440479993.807153
1991	4090199996.741491
1992	3416240018.730983
1993	2897479997.7056675
1994	3721700047.7965927
1995	3213810029.8512716
1996	2972790035.137906
1997	2488220000.375062
1998	2962260026.6244283
1999	2702790004.7283616
2000	2568139977.0919237
2001	3815290013.7919936
2002	3876700001.9885616
2003	3910229991.7694187
2004	3995149954.9038706
2005	6326160061.627631
2006	6269689949.266614
2007	7060730034.0998955
2008	9123840073.715899
2009	10553989931.29284
2010	12918000056.257483
2011	13632229928.990828
2012	11766940069.668003
2013	10860949948.817492
2014	10692530032.878746
2015	10280049963.63447
2016	9545890005.245817
2017	10981180019.460615
2018	10277050046.194347
2019	11016319974.025713
2020	10279079986.55365
2021	12846450036.365545
2022	12386629898.749296