Year	current US$
1960	2759800000
1961	3026100000
1962	3317200000
1963	3580300000
1964	3601800000
1965	4022700000
1966	3819800000
1967	3296000000
1968	3837400000
1969	3376000000
1970	3153000000
1971	3112200000
1972	3958400000
1973	2655400000
1974	3673500000
1975	4160899999.9999995
1976	4360200000
1977	4682200000
1978	5663500000
1979	4684000000
1980	7138000000
1981	5782000000
1982	8202000000
1983	8081000000
1984	8711000000
1985	9403000000
1986	9564000000
1987	9115000000
1988	10141000000
1989	7677000000
1990	11394000000
1991	11262000000
1992	11709000000
1993	10123000000
1994	9927000000
1995	7367000000
1996	9377000000
1997	6878000000
1998	8785980000
1999	9145260000
2000	9954890000
2001	11429350000
2002	13290070000
2003	16319520000
2004	19704910000
2005	27934740000
2006	23532140000
2007	21786900000
2008	26436780000
2009	28831340000
2010	29656360000
2011	30966210000
2012	30652380000
2013	31266660000
2014	33095500000
2015	30985540000
2016	34420980000
2017	34731980000
2018	33787080000
2019	32980720000
2020	35396410000
2021	47528160000
2022	60328680000