Year	current US$
1966	1316002.4214444554
1967	1389408.0250028062
1968	1224001.9584031333
1969	1344002.1504034405
1970	1536002.4576039321
1971	1654824.9341233664
1972	1748834.4018711532
1973	2202766.086800732
1974	2834720.5929884794
1975	3429120.0877854745
1976	4133581.168482522
1977	5494939.204603189
1978	6472507.425404351
1979	7254757.426329792
1980	11766531.104607077
1981	12411000.065321052
1982	10045817.664041651
1983	14193267.199151058
1984	15387585.803577954
1985	15062120.654135188
1986	11617377.170243746
1987	13223736.288589846
1988	12804797.789286694
1989	13997341.36225581
1990	17533968.812254157
1991	63601606.79874515
1992	63539310.78052749
1993	65721205.048835255
1994	59904593.83761102
1995	64080324.67665137
1996	64249595.26589966
1997	64453317.283922896
1998	63387208.61403162
1999	58285733.893153295
2000	52977366.79015845
2001	45586402.58484042
2002	40597319.235408485
2003	28816339.33752599
2004	50615940.68854222
2005	64765895.235953204
2006	70050130.54179074
2007	83296837.23191728
2008	87323528.15271929
2009	70041518.3535458
2010	70232876.29274273
2011	77374052.66259174
2012	81336733.51241417
2013	77188232.90339255
2014	80059855.3249108
2015	87503938.24826717
2016	82932392.13540885
2017	67258800.24353285
2018	71094774.25144461
2019	68684609.811731
2020	47358980.27364555
2021	38310748.50965397
2022	37440425.10853835