Year current US$ 1965 82550002.13533643 1966 85560003.05153428 1967 98229999.08402567 1968 110219999.08424948 1969 118210000.30450544 1970 146260001.21980894 1971 139949999.38830692 1972 189419995.72701746 1973 192899999.38756186 1974 257509993.93686616 1975 297530001.1914222 1976 232270006.8037955 1977 241389995.1055651 1978 272500005.05894476 1979 269590000.0166148 1980 287170009.75087285 1981 304949996.5477739 1982 294220013.1826101 1983 304470011.7576865 1984 299210002.9736753 1985 244750006.22868574 1986 254510007.39075273 1987 313159993.96704113 1988 363280000.58606315 1989 319750005.65685326 1990 365419991.6385115 1991 333380006.37665415 1992 420769997.5129219 1993 270679997.55963707 1994 294779996.3708971 1995 350190004.9112742 1996 371929995.208979 1997 335430001.0949375 1998 356489996.8877435 1999 212490005.76511002 2000 270940006.2691418 2001 205980002.06239513 2002 202479999.72850043 2003 221800004.8212712 2004 257209997.15849784 2005 257600006.48908296 2006 264469997.10611975 2007 312290004.60356516 2008 288489988.07743216 2009 354540005.3542111 2010 490780003.16768867 2011 576099994.6538354 2012 547880007.4383619 2013 505989999.756217 2014 478639997.1079083 2015 477150012.4782321 2016 439560001.4068186 2017 453409993.14375204 2018 540580003.6452715 2019 560020012.6860287 2020 547189986.8696932 2021 1042319995.9378686 2022 610000002.6319175