Year	current US$
1962	1730
1963	1790
1964	1980
1965	2040
1966	2140
1967	2200
1968	2380
1969	2720
1970	3050
1971	3350
1972	4050
1973	5200
1974	6850
1975	7890
1976	8470
1977	9030
1978	10600
1979	12870
1980	15390
1981	15400
1982	14850
1983	13410
1984	12990
1985	13050
1986	15520
1987	19980
1988	25870
1989	28540
1990	31330
1991	35170
1992	38990
1993	40050
1994	41330
1995	45760
1996	48560
1997	49360
1998	46350
1999	46520
2000	45690
2001	45000
2002	42520
2003	46050
2004	62680
2005	73180
2006	71370
2007	85730
2008	86000
2009	70650
2010	77640
2011	79210
2012	87950
2013	85160
2014	86760
2015	73530
2016	73730
2017	75800
2018	79770
2019	79180
2020	80980
2021	87610
2022	89200
2023	88370