Year current US$ 1963 -29999.999329447703 1964 409999.99642372096 1965 -300000.011920929 1966 -140000.000596046 1967 50000.0007450581 1968 59999.9986588955 1969 119999.997317791 1970 4659999.84741211 1971 59999.9986588955 1974 689999.997615814 1975 -689999.997615814 1976 1740000.0095367401 1977 379999.99523162795 1978 180000.00715255702 1979 119999.997317791 1980 90000.0035762787 1981 119999.997317791 1982 109999.999403954 1983 119999.997317791 1984 90000.0035762787 1985 90000.0035762787 1986 239999.994635582 1987 500000 1988 310000.002384186 1989 620000.004768372 1990 2690000.05722046 1991 5579999.92370605 1992 1379999.99523163 1993 1850000.02384186 1994 949999.988079071 1995 1409999.9666214 1996 230000.004172325 1997 239999.994635582 1998 699999.988079071 1999 2420000.07629395 2000 1120000.00476837 2001 1190000.0572204601 2002 689999.997615814 2003 1129999.99523163 2004 1799999.95231628 2005 6900000.09536743 2006 1789999.96185303 2007 2720000.02861023 2008 3579999.92370605 2009 3170000.07629395 2010 9779999.73297119 2011 2299999.95231628 2012 1299999.95231628 2013 1990000.0095367401 2014 1759999.9904632599 2015 2099999.90463257 2016 2079999.9237060498 2017 2230000.01907349 2018 2279999.97138977 2019 2269999.98092651 2020 1980000.01907349 2021 4679999.82833862 2022 6510000.228881841