Year	current US$
1960	1154.6866087529886
1961	1252.5768476550495
1962	1340.3955928213136
1963	1434.775681286699
1964	1665.879163348926
1965	1845.3821404697915
1966	1983.3513182823629
1967	2151.4134320193643
1968	2360.8848717907267
1969	2642.956141936609
1970	2927.072939461752
1971	3378.614797291442
1972	4104.451029788949
1973	5345.575443775866
1974	6440.978420062681
1975	7335.508997334304
1976	7925.6880622655035
1977	9166.808195243075
1978	11179.389562056513
1979	12798.543245744078
1980	13791.86226394584
1981	11520.447871630642
1982	11072.6584545573
1983	10680.359042392252
1984	9977.160216829305
1985	9926.129970566604
1986	13783.850109136376
1987	16709.55967738379
1988	17744.501384468407
1989	17397.69168255948
1990	21290.860382704483
1991	21732.230762192346
1992	23904.03741505797
1993	23122.410766864487
1994	24646.314309626927
1995	29258.134348621083
1996	29006.809445417097
1997	26700.53713359263
1998	27885.808382346455
1999	28272.64324925386
2000	26214.498549887016
2001	26896.548111119628
2002	29343.244996060188
2003	35750.97466302689
2004	40436.61823104069
2005	41994.71353052322
2006	44900.9381441374
2007	51799.20855210469
2008	57879.94375539163
2009	52722.2130568997
2010	50999.74511688789
2011	54230.31290298519
2012	50070.14160459042
2013	52198.89756074542
2014	52900.537415323044
2015	45193.40321879707
2016	46039.10592840976
2017	48675.22233502126
2018	53044.53243522532
2019	52476.273253332714
2020	52162.570115040624
2021	58727.870547147475
2022	57025.01245598001
2023	62536.73202981507