Year current US$ 1960 550000.011920929 1961 469999.998807907 1962 709999.978542328 1963 2559999.94277954 1964 1320000.05245209 1965 2410000.08583069 1966 2849999.90463257 1967 9079999.92370605 1968 5739999.771118159 1969 6860000.1335144 1970 5530000.20980835 1971 2349999.90463257 1972 6880000.11444092 1973 10989999.7711182 1974 18819999.6948242 1975 17149999.6185303 1976 11060000.4196167 1977 9640000.34332275 1978 33450000.7629395 1979 31309999.4659424 1980 19139999.3896484 1981 9600000.38146973 1982 24430000.3051758 1983 42580001.8310547 1984 33740001.6784668 1985 53590000.1525879 1986 73199996.9482422 1987 39669998.1689453 1988 37169998.1689453 1989 40790000.9155273 1990 26180000.3051758 1991 11170000.076293899 1992 4039999.96185303 1993 14420000.076293899 1994 7010000.228881841 1995 11399999.6185303 1996 15840000.1525879 1997 9750000 1998 18989999.7711182 1999 10779999.7329712 2000 21200000.762939498 2001 31069999.6948242 2002 7769999.98092651 2003 16309999.465942401 2004 28569999.6948242 2005 75230003.3569336 2006 63939998.626709 2007 21290000.915527303 2008 11140000.3433228 2009 -5590000.15258789 2010 -6369999.88555908 2011 1889999.98569489 2012 -310000.002384186 2013 -3549999.95231628 2014 -12199999.8092651 2015 -2230000.01907349 2016 6199999.80926514 2017 2339999.91416931 2018 -819999.992847443 2019 4920000.07629395 2020 -1870000.00476837 2021 15750000 2022 15560000.4196167