Year current US$ 1960 33129999.99895692 1961 51159999.994561076 1962 30720000.006258488 1963 36200000.0178814 1964 45220000.095665455 1965 67500001.63167715 1966 68369998.44014648 1967 73199998.1291592 1968 59399998.20664524 1969 66079999.84174967 1970 68460000.06608665 1971 70980000.16622245 1972 65510000.11339783 1973 72500000.2142042 1974 57280000.52087009 1975 32569999.96677041 1976 24039999.961853065 1977 26680000.178515922 1978 45839999.94955956 1979 26350000.49509106 1980 17649999.892339084 1981 17630000.276491046 1982 21529999.902471855 1983 12950000.271201137 1984 14030000.20422042 1985 15510000.213980682 1986 19869999.434798967 1987 31929999.83578913 1988 36690000.690519795 1989 44199999.63231384 1990 53380000.801757075 1991 69209999.74198641 1992 79949998.65256241 1993 95759999.7110665 1994 130289999.59677453 1995 181040001.6643106 1996 160699997.92985618 1997 180289997.51619992 1998 179769998.52806333 1999 221639993.62662446 2000 203250002.68965954 2001 159960001.69403848 2002 187879997.6501613 2003 199199998.6730516 2004 188870003.55497003 2005 180540003.41147175 2006 210090003.70651484 2007 248599998.10159212 2008 244000000.80466262 2009 287600000.7446856 2010 302119996.5421107 2011 292860000.68858266 2012 297430000.3629179 2013 279170000.2104044 2014 328920002.4325403 2015 359430001.1154262 2016 274740003.87080014 2017 320259997.1666933 2018 407449997.52193695 2019 376379996.68158597 2020 345069997.0982969 2021 421209995.0481206 2022 396159998.3144553