Year	current US$
1960	183899999.961257
1961	612499992.88097
1962	515280006.460845
1963	591699999.794364
1964	629570006.206632
1965	793280003.920197
1966	782560016.870499
1967	639469997.525215
1968	710259993.076324
1969	597699999.74966
1970	664340002.417564
1971	602769998.788834
1972	594789999.2465969
1973	640330002.794042
1974	771599991.6791921
1975	863829999.923706
1976	960230004.787445
1977	902859997.034073
1978	1167200001.8358202
1979	1456170016.64639
1980	1720270006.6566498
1981	1885260013.81874
1982	2107220004.0817301
1983	2293499998.80791
1984	2430880013.82351
1985	2843060011.62529
1986	3087609989.6431003
1987	3699279993.77251
1988	3727080020.90454
1989	4080329996.5858502
1990	4452810025.21515
1991	5137309977.53143
1992	4653550071.7163105
1993	4489550001.62125
1994	5094309919.3573
1995	5557500020.02716
1996	6548569965.407249
1997	4720149964.585905
1998	4815909983.411434
1999	5361530012.145635
2000	4409539980.6648445
2001	5270130034.9384575
2002	4664240052.70004
2003	5481690049.6184845
2004	6341780018.717047
2005	6049229977.13089
2006	6695509885.311131
2007	6299740058.898931
2008	8572549968.7194805
2009	8293190063.476561
2010	9155590143.203741
2011	9577520007.13348
2012	9625329945.56427
2013	10065419925.689701
2014	9530920116.42456
2015	10036400063.5147
2016	10945790217.399601
2017	8286339973.688129
2018	10081449994.0872
2019	8365300065.994261
2020	11721510034.561201
2021	11416930030.8228