Year	current US$
1970	91010000.6591529
1971	124860000.18380575
1972	112669999.93100756
1973	212000001.18650496
1974	309439998.2243777
1975	375560002.2692235
1976	246790001.87851492
1977	279950001.36829925
1978	435360000.2918391
1979	621719999.03582
1980	566309996.0684779
1981	662770001.2624265
1982	515580001.5181301
1983	494949998.7661839
1984	588280003.3539532
1985	548489997.1168492
1986	678929995.8348273
1987	730450000.9678305
1988	1028280012.6597288
1989	1075420013.24892
1990	1146900008.8497996
1991	1252759999.165311
1992	1830490004.3290112
1993	1345190001.249313
1994	1397849990.829825
1995	1544080002.0694735
1996	1420330008.804798
1997	1306069999.6948242
1998	1428349996.6748056
1999	1265280000.321567
2000	1000669990.5395507
2001	1481530009.2399127
2002	1657600001.8715856
2003	2280489982.1281433
2004	2606310015.916825
2005	2880809998.2738504
2006	3090649992.108345
2007	3811459980.607033
2008	4490550004.303457
2009	3910589951.664209
2010	4416139981.552959
2011	3947879994.1539755
2012	3748289988.0409236
2013	3767939974.3080144
2014	4422289988.040925
2015	3395929996.4904795
2016	4095230003.535747
2017	4324749999.4933605
2018	4573579986.572266
2019	3986549986.243248
2020	4835959988.467396
2021	4367060020.625591
2022	3754209986.7463136