Year current US$ 1962 30000 1963 130000 1964 250000 1965 1840000 1966 630000 1967 1280000 1968 40000 1969 40000 1970 960000 1971 1150000 1972 530000 1973 670000 1974 2800000 1975 2140000 1976 1770000 1977 2760000 1978 3710000 1979 5060000 1980 8500000 1981 12430000 1982 8480000 1983 7110000 1984 10080000 1985 10620000 1986 9260000 1987 18210000 1988 36520000 1989 31040000 1990 57480000 1991 49970000 1992 68640000 1993 61320000 1994 63930000 1995 66209999.99999999 1996 63090000 1997 49020000 1998 60400000 1999 52240000 2000 60680000 2001 69890000 2002 123660000 2003 61370000 2004 52790000 2005 111740000 2006 69700000 2007 50200000 2008 106690000 2009 97930000 2010 202750000 2011 93860000 2012 53130000 2013 105900000 2014 156950000 2015 41100000 2016 43160000 2017 63080000 2018 57050000 2019 59900000 2020 53740000 2021 89590000 2022 92120000