Year current US$ 1965 70000.0002980232 1966 819999.992847443 1967 1129999.99523163 1968 1190000.0572204601 1969 2640000.10490417 1970 3170000.07629395 1971 3410000.08583069 1972 3799999.95231628 1973 6679999.82833862 1974 8189999.580383301 1975 7960000.03814697 1976 9569999.69482422 1977 10260000.2288818 1978 12060000.4196167 1979 15800000.1907349 1980 16680000.3051758 1981 7929999.82833862 1982 5570000.17166138 1983 7599999.90463257 1984 2920000.07629395 1985 3809999.94277954 1986 5019999.98092651 1987 3119999.8855590797 1988 2599999.90463257 1989 3539999.96185303 1990 7400000.09536743 1991 12970000.2670288 1992 10359999.6566772 1993 6469999.79019165 1994 8039999.961853029 1995 5519999.98092651 1996 9920000.07629395 1997 3190000.05722046 1998 9800000.19073486 1999 6989999.771118159 2000 9260000.22888184 2001 1710000.03814697 2002 -129999.995231628 2003 1080000.04291534 2004 1500000 2005 2440000.05722046 2006 9550000.19073486 2007 6710000.03814697 2008 8220000.26702881 2009 889999.985694885 2010 -70000.0002980232 2011 6769999.98092651 2012 -2619999.8855590797 2013 -419999.986886978 2014 -689999.997615814 2015 -180000.00715255702 2016 720000.028610229 2017 550000.011920929 2018 970000.028610229 2019 1080000.04291534 2020 600000.023841858 2021 589999.973773956 2022 129999.995231628