Year current US$ 1963 150000.005960464 1964 159999.99642372102 1965 810000.002384186 1966 1169999.95708466 1967 -109999.999403954 1968 19999.9995529652 1969 -109999.999403954 1970 -100000.00149011599 1971 159999.99642372102 1974 250000 1975 -119999.997317791 1976 310000.002384186 1977 699999.988079071 1978 330000.013113022 1979 800000.011920929 1980 479999.989271164 1981 6760000.228881841 1982 300000.011920929 1983 379999.99523162795 1984 569999.992847443 1985 270000.010728836 1986 589999.973773956 1987 670000.016689301 1988 660000.026226044 1989 250000 1990 1240000.0095367401 1991 4630000.11444092 1992 4070000.1716613797 1993 1629999.99523163 1994 1669999.95708466 1995 1240000.0095367401 1996 1399999.97615814 1997 1149999.97615814 1998 1230000.01907349 1999 1179999.94754791 2000 1509999.9904632599 2001 1690000.0572204601 2002 2170000.07629395 2003 4300000.19073486 2004 9899999.61853027 2005 6449999.80926514 2006 600000.023841858 2007 321279998.779297 2008 589999.973773956 2009 699999.988079071 2010 850000.023841858 2011 910000.026226044 2012 870000.004768372 2013 660000.026226044 2014 860000.014305115 2015 779999.971389771 2016 930000.007152557 2017 899999.976158142 2018 1750000 2019 1340000.0333786 2020 1370000.00476837 2021 1559999.9427795399 2022 2180000.0667572