Year	current US$
1960	96400000
1961	85600000
1962	109600000
1963	119200000
1964	132500000
1965	84500000
1966	116800000
1967	119900000
1968	137800000
1969	151000000
1970	160200000
1971	180500000
1972	205100000
1973	228600000
1974	397600000
1975	432100000
1976	386100000
1977	449500000
1978	403000000
1979	455600000
1980	507000000
1981	541000000
1982	473000000
1983	574000000
1984	789000000
1985	474875088.67162204
1986	556823201.7471826
1987	422289257.21722925
1988	389478180.5923811
1989	484580709.7791798
1990	530525635.4615087
1991	698334650.533293
1992	962064000
1993	1080360000
1994	1164916880.5352871
1995	1366153846.1538463
1996	1351405735.0650172
1997	1602993476.8302634
1998	1878690843.046754
1999	1852267495.5776749
2000	2302963058.0878434
2001	2383499525.072312
2002	2261018616.221275
2003	1340180456.2478719
2004	1344924310.7284074
2005	2415248282.127602
2006	2436276718.628073
2007	3520888285.1377296
2008	3286009903.282021
2009	3339825570.905885
2010	3622758074.3228674
2011	3672596527.1885843
2012	3804182648.5509353
2013	4081844033.4127192
2014	4244371683.3419166
2015	4951244884.644301
2016	5349399519.507931
2017	5729905488.573129
2018	6342965102.01486
2019	6582154070.881725
2020	5102672883.648592
2021	6637019923.955696
2022	7602098055.893074
2023	7885960475.518896