Year	current US$
1960	13.788969075079436
1961	14.695130797362625
1962	16.470118091316756
1963	20.505620261524644
1964	19.714245647831024
1965	27.92171371380897
1966	34.14483546677174
1967	37.57820964883163
1968	40.79940025016594
1969	44.240166564321285
1970	47.5603632814845
1971	39.88401577117396
1972	69.05804185058336
1973	62.25376902642653
1974	62.55366999434675
1975	112.70993736289317
1976	94.71682913586744
1977	77.98722224669325
1978	119.61887128124962
1979	107.75690221584199
1980	175.7194026280492
1981	114.87551301817209
1982	104.85514394053227
1983	98.82407519970612
1984	68.6416836422585
1985	68.76943644398646
1986	96.50050298411773
1987	177.6321990462976
1988	170.90964410772682
1989	145.09155451948246
1990	128.3581832130314
1991	110.31525534384552
1992	128.92683141403103
1993	150.89554601191745
1994	128.64020902223123
1995	127.48242040959278
1996	110.73150136374586
1997	105.25123011088603
1998	70.14663700588419
1999	95.58021915188166
2000	159.03138591606546
2001	134.37936467302262
2002	58.07968831567974
2003	134.29715930650497
2004	257.6597339012347
2005	407.86674284048246
2006	404.71798826224995
2007	472.01948884486313
2008	435.6774455061018
2009	390.29388936810693
2010	615.9394924879182
2011	592.1393714213712
2012	537.3721184781608
2013	497.6775502859307
2014	335.66855705789663
2015	310.17203469999185
2016	279.41321632473705
2017	290.24258749319335
2018	296.640567613442
2019	331.69232775695156
2020	310.059010546425
2021	373.9628699473166
2022	348.94300315977404