Year	current US$
1960	696475517.3399094
1961	596930158.5742397
1962	535212288.20605063
1963	623848068.1746557
1964	714443135.8120539
1965	747458032.3975184
1966	681026211.555335
1967	725362448.6128856
1968	756111177.2539046
1969	817011348.4359008
1970	745088897.5819417
1971	695682231.789027
1972	823120274.6115389
1973	987552037.425927
1974	1590014617.0015438
1975	1728429917.9306889
1976	1829088133.2158103
1977	2062264824.8511038
1978	2169909386.5961795
1979	2271224916.735116
1980	2880870937.178909
1981	3438780175.704162
1982	3174040365.3349953
1983	2898913579.6046305
1984	3147982883.801341
1985	3237567794.9737926
1986	3187100621.1975536
1987	2977009987.7841487
1988	2872824082.7356305
1989	3111640475.7879024
1990	3127251953.6858153
1991	3544331165.5827913
1992	3423812906.4532266
1993	4432258129.064532
1994	5029050525.262631
1995	5353774887.443722
1996	5234491245.622811
1997	5663043521.76088
1998	4890101050.525263
1999	3451939969.9849925
2000	2175098549.274637
2001	2421437000
2002	2552294000
2003	2802391000
2004	2804657000
2005	3112075000
2006	3527180000
2007	3812627000
2008	4493367000
2009	5175533000
2010	5677149000
2011	6246690000
2012	6140963000
2013	6724394000
2014	7605636000
2015	7796689000
2016	7884161000
2017	8255251000
2018	8216830000
2019	8378234000
2020	8039037000
2021	8592498000
2022	8366557000.000001
2023	9124165000