Year current US$ 1960 180000.00715255702 1961 29999.999329447703 1962 500000 1963 239999.994635582 1964 1779999.97138977 1965 8979999.54223633 1966 4420000.07629395 1967 5670000.07629395 1968 8689999.5803833 1969 16020000.4577637 1970 12100000.3814697 1971 15329999.923706101 1972 19770000.4577637 1973 16170000.076293899 1974 24000000 1975 23569999.6948242 1976 34560001.373291 1977 60009998.3215332 1978 49200000.762939505 1979 37720001.220703095 1980 26459999.084472697 1981 52080001.8310547 1982 57770000.4577637 1983 50680000.3051758 1984 23670000.0762939 1985 18110000.6103516 1986 8439999.5803833 1987 10170000.076293899 1988 36419998.1689453 1989 20219999.3133545 1990 -7980000.01907349 1991 22280000.6866455 1992 7230000.01907349 1993 20739999.7711182 1994 -10899999.6185303 1995 -22100000.3814697 1996 -19200000.762939498 1997 9890000.34332275 1998 -1820000.05245209 1999 -11850000.3814697 2000 1919999.95708466 2001 7969999.79019165 2002 -5199999.80926514 2003 11680000.3051758 2004 12260000.2288818 2005 29030000.6866455 2006 39610000.6103516 2007 27469999.3133545 2008 27420000.0762939 2009 30799999.237060502 2010 23860000.6103516 2011 31129999.1607666 2012 42720001.220703095 2013 67730003.3569336 2014 53139999.3896484 2015 88720001.2207031 2016 125569999.69482401 2017 157440002.44140598 2018 217479995.727539 2019 264779998.779297 2020 326739990.234375 2021 383320007.324219 2022 354940002.441406