Year current US$ 1960 699999.988079071 1961 899999.976158142 1962 929999.984800816 1963 1309999.99493361 1964 1259999.98487532 1965 2009999.99977648 1966 3120000.05878508 1967 2560000.03032386 1968 10630000.0865012 1969 10870000.1575053 1970 11749999.7839332 1971 15180000.2288073 1972 23709999.7270852 1973 33940000.3645569 1974 54680000.109597996 1975 74150000.1326203 1976 68390000.6152689 1977 109279999.950901 1978 129760000.154376 1979 162299999.40097302 1980 176530000.76115102 1981 154669997.379184 1982 205540000.72181198 1983 198489996.37365302 1984 183299997.02610102 1985 182619998.769835 1986 276910000.642762 1987 289350000.49881595 1988 314120004.044846 1989 262649997.450411 1990 390000001.084059 1991 340469998.393208 1992 376619995.141402 1993 256240003.39396298 1994 275670001.329854 1995 290830002.67297 1996 320800001.261756 1997 285380000.63411903 1998 257040001.120418 1999 253430004.20928 2000 228199999.13498798 2001 249189998.99551302 2002 262389997.344464 2003 322029998.393729 2004 346180001.13219 2005 493130005.97990996 2006 477860004.726797 2007 610190000.953153 2008 619100003.071129 2009 527989996.466786 2010 658529994.921759 2011 629150001.92076 2012 550029999.356717 2013 575119996.797293 2014 479079992.704093 2015 422929994.110018 2016 373770000.260323 2017 416009998.740628 2018 394220000.50917304 2019 352560000.296682 2020 347320000.873879 2021 352109999.077395 2022 881749979.6934425