Year	current US$
1970	4546709993.638099
1971	4913370000.118388
1972	4961319995.74229
1973	5311060011.332855
1974	6616329984.597862
1975	7698390012.670309
1976	6904480013.430118
1977	7216049985.360355
1978	9884590000.370522
1979	12205869983.488693
1980	13626390028.420835
1981	14288429988.03966
1982	14325209985.25806
1983	14134360029.513016
1984	14953220000.915232
1985	15933830016.931522
1986	19516690007.256344
1987	22368200063.73898
1988	25760179954.23451
1989	26257529973.689472
1990	33541700045.241043
1991	39596460081.161934
1992	38741689898.12211
1993	34958650067.346176
1994	37845289927.3634
1995	39395810106.018555
1996	33481290068.95423
1997	28038750038.17864
1998	31080590018.318966
1999	34014339922.815563
2000	31956319992.544125
2001	32771050048.79833
2002	36096029875.513176
2003	44852139917.12593
2004	48333949882.39931
2005	71855650104.86174
2006	65447709778.4914
2007	59366730195.36586
2008	67602660105.597244
2009	63328740147.06166
2010	66239300038.47742
2011	73340259948.2965
2012	68749960273.71288
2013	70178379943.84021
2014	67857790209.57464
2015	62502729927.13006
2016	66503269917.30559
2017	70219320065.15564
2018	69932110165.96669
2019	66877640019.76327
2020	79967930103.46593
2021	84497430153.79646
2022	101231229889.63873