Year	current US$
1967	1004209161.5388521
1968	1043600821.7431626
1969	1087098227.5231013
1970	1143196976.8713555
1971	1215713916.22533
1972	1337356672.7720516
1973	1526057028.3429577
1974	1769255333.597569
1975	2000412810.0521193
1976	2244816912.942524
1977	2645818918.339844
1978	3142248166.440439
1979	3510493033.4605017
1980	3378193659.0017724
1981	3462678068.3063126
1982	3292230383.4964433
1983	3237189348.030949
1984	3382634604.3949804
1985	3557672281.4915533
1986	3785700312.368591
1987	4157317741.6178
1988	4438097000.629202
1989	4465097805.080851
1990	4739749287.346545
1991	4994288124.467545
1992	5723741510.552618
1993	6407435789.333694
1994	7188338481.249364
1995	8313019721.4988575
1996	9045000961.922451
1997	9725746173.665375
1998	10150796194.702448
1999	10587396547.734123
2000	11209909097.793867
2001	11575739685.991962
2002	11942491886.530647
2003	12738311030.178389
2004	13675886879.969164
2005	14616692062.918432
2006	15607743783.789194
2007	16378282418.321028
2008	17573853693.185043
2009	17340255592.444542
2010	17821316600.457172
2011	18997876825.860447
2012	20050830424.813274
2013	20962312688.023354
2014	21428592935.395294
2015	21764575109.220757
2016	22295959534.224903
2017	23009116412.15267
2018	24503563518.878437
2019	25696389752.267662
2020	23674586507.5212
2021	27385712597.118877
2022	29567777825.444065
2023	31320391044.675648