Year current US$ 1975 70000.0002980232 1976 170000.00178813902 1977 419999.986886978 1978 500000 1979 3990000.00953674 1980 469999.998807907 1981 289999.99165535 1982 2740000.00953674 1983 90000.0035762787 1984 1850000.02384186 1985 129999.995231628 1986 170000.00178813902 1987 129999.995231628 1988 370000.00476837205 1989 860000.014305115 1990 4059999.94277954 1991 769999.980926514 1992 2490000.00953674 1993 2589999.91416931 1994 3329999.92370605 1995 639999.985694885 1996 11510000.2288818 1997 5780000.20980835 1998 3829999.92370605 1999 1990000.0095367401 2000 1340000.0333786 2001 1659999.9666214 2002 1340000.0333786 2003 2759999.99046326 2004 2450000.04768372 2005 2509999.99046326 2006 360000.01430511504 2007 -6239999.771118159 2008 899999.976158142 2009 -550000.011920929 2010 379999.99523162795 2011 1120000.00476837 2012 140000.000596046 2013 170000.00178813902 2014 59999.9986588955 2015 -230000.004172325 2016 -219999.998807907 2017 -189999.99761581398 2020 1450000.04768372 2021 349999.99403953605 2022 419999.986886978