Year	current US$
1968	1440000.0572204601
1969	620000.004768372
1970	709999.978542328
1971	870000.004768372
1972	949999.988079071
1973	1289999.96185303
1974	1389999.98569489
1975	2049999.9523162802
1976	1840000.0333786
1977	1259999.9904632599
1978	1490000.0095367401
1979	1700000.04768372
1980	2250000
1981	2880000.1144409203
1982	2279999.97138977
1983	1720000.02861023
1984	2240000.00953674
1985	2420000.07629395
1986	2089999.9141693101
1987	2970000.02861023
1988	5179999.82833862
1989	6119999.88555908
1990	2769999.98092651
1991	59999.9986588955
1992	1490000.0095367401
1993	569999.992847443
1994	1080000.04291534
1995	1600000.02384186
1996	-1610000.01430511
1997	610000.014305115
1998	620000.004768372
1999	670000.016689301
2000	910000.026226044
2001	720000.028610229
2002	469999.998807907
2003	479999.989271164
2004	460000.00834465
2005	579999.983310699
2006	519999.980926514
2007	920000.016689301
2008	1090000.0333786
2009	1120000.00476837
2010	1169999.95708466
2011	469999.998807907
2012	658469.140529633
2013	409588.009119034
2014	737059.2951774601
2015	362055.68909645104
2016	484668.850898743
2017	414951.413869858
2018	145529.568195343
2019	500450.01506805397
2020	299923.062324524
2021	519144.2370414729
2022	1339363.33656311