Year current US$ 1960 699999.988079071 1961 799999.952316284 1962 899999.976158142 1963 1879999.87602234 1964 2140000.10490417 1965 3149999.8569488497 1966 4619999.88555908 1967 3860000.1335143996 1968 12300000.1907349 1969 13270000.4577637 1970 14429999.3515015 1971 18100000.3814697 1972 30469999.3133545 1973 40419998.1689453 1974 72659996.0327148 1975 101919998.168945 1976 105910003.662109 1977 165100006.10351598 1978 191759994.506836 1979 248639999.38964802 1980 284169982.910156 1981 264979980.46875 1982 326320007.324219 1983 331540008.544922 1984 303320007.324219 1985 326239990.234375 1986 477239990.234375 1987 525969970.703125 1988 570030029.296875 1989 552070007.324219 1990 749080017.089844 1991 729109985.351563 1992 807449951.171875 1993 681309997.558594 1994 847039978.027344 1995 946920043.945313 1996 974720031.738281 1997 949229980.46875 1998 978539978.027344 1999 1025930053.71094 2000 949080017.089844 2001 946059997.558594 2002 1166900024.41406 2003 1490060058.59375 2004 1557220092.77344 2005 2008410034.17969 2006 2132429931.64063 2007 2857510009.76563 2008 3038790039.0625 2009 3146550048.82813 2010 3304659912.10938 2011 3527119873.04688 2012 3487830078.125 2013 4304179687.5 2014 3796370117.1875 2015 3301169921.875 2016 3447520019.53125 2017 3123310058.59375 2018 3217689941.40625 2019 3252600097.65625 2020 3041530029.29688 2021 3391209960.9375 2022 1940009983.7593732