Year	current US$
1962	1836.1245024599843
1963	1950.0689449765596
1964	2105.3071186623674
1965	2287.7295453563743
1966	2479.4880275878513
1967	2619.9632385693876
1968	2806.1975726292835
1969	3030.253140359397
1970	2599.6644986917745
1971	2833.397519028266
1972	3250.1769877333372
1973	3967.039152466935
1974	4636.082195806871
1975	5181.709778574378
1976	5469.1071764619865
1977	5842.384479333076
1978	6650.512816822462
1979	7946.606655706559
1980	9158.485326808835
1981	9529.699764303092
1982	9043.345728440416
1983	8643.489400862123
1984	8946.902840620043
1985	9370.242886191394
1986	10499.737584339013
1987	12555.58527591928
1988	15245.532972274057
1989	16073.744042605404
1990	16829.940523552184
1991	17463.200176755225
1992	18923.74400512259
1993	19410.785014816105
1994	20369.39577542657
1995	21645.843275589945
1996	22625.265873476597
1997	22721.41243184355
1998	21912.799212127287
1999	22185.155411656422
2000	23148.847691100902
2001	23115.756151427646
2002	22976.5100245171
2003	24709.8586226281
2004	28174.52314507705
2005	31014.68853898224
2006	32514.382549800106
2007	33763.35058708375
2008	35201.0563989595
2009	34579.0936472448
2010	35533.58566479727
2011	36655.56999739618
2012	37759.640257343795
2013	38401.978035744985
2014	38515.573393878396
2015	37386.41718084654
2016	36518.41813161708
2017	36698.84242662243
2018	39113.58811997925
2019	40406.64958634762
2020	38836.905493930106
2021	42779.87628322225
2022	45229.47489328385
2023	46071.17315455591