Year	current US$
1960	2326217007.123498
1961	2394322171.101496
1962	2400707030.2244334
1963	2667806970.2006445
1964	2848711312.017202
1965	2957253917.1071362
1966	3261598868.6338153
1967	2937035196.551168
1968	2679512545.2593627
1969	2796568295.846547
1970	3138158258.923694
1971	3217968997.9604106
1972	4403424508.45244
1973	4961111514.184139
1974	6301763041.427845
1975	6632170064.572297
1976	8109990568.091125
1977	9229369513.168394
1978	10126474642.675758
1979	12511412609.736631
1980	13799999999.999998
1981	13920999999.999998
1982	14378000000
1983	14863000000.000002
1984	15203000000.000002
1985	14984000000.000002
1986	15631000000
1987	18679000000
1988	21224000000.000004
1989	23941000000.000008
1990	27728000000.000008
1991	28516000000.000008
1992	32179000000.000008
1993	34854000000.00001
1994	39137000000.00001
1995	46620000000.00001
1996	51463000000.00001
1997	53954000000.00001
1998	52698000000.00001
1999	55157000000.00001
2000	64379000000.00001
2001	64516000000
2002	70924000000
2003	84099000000
2004	105531000000
2005	132978000000
2006	159319000000
2007	190415000000
2008	241304000000
2009	206751000000
2010	277640000000
2011	365279000000
2012	358091000000
2013	381560000000
2014	391471000000
2015	335047000000
2016	332194000000
2017	370377000000.00006
2018	401951000000.00006
2019	401813000000.00006
2020	344611000000.00006
2021	484070000000.0001
2022	555357000000.0001
2023	531322000000.0001