Year current US$ 1962 9122751.453183454 1963 10840095.12836493 1964 12712471.396021094 1965 64748333.333333336 1966 69110000.00000001 1967 72317446.93271928 1968 67514285.71428572 1969 67225714.28571428 1970 66861428.571428575 1971 65370165.10961725 1972 65254936.12982527 1973 81407483.69378647 1974 94523896.19845027 1975 104698033.34088178 1976 104052135.1807841 1977 104386403.72817987 1980 48799934.01428184 1981 30146793.58717435 1982 34544821.13599126 1983 40537010.03974064 1984 47262783.963672556 1985 57918192.334942155 1986 70825307.67364568 1987 88040840.76798616 1988 93504448.65342641 1989 81007248.34121008 1990 119604666.61594154 1991 121228255.70358507 1992 149786398.9372304 1993 148550072.35966727 1994 92353433.19214289 1995 118007509.45371108 1996 187443199.32171956 1997 387373533.453114 1998 290375985.0540326 1999 520234190.6947728 2000 675806916.325726 2001 587616433.6525298 2002 821380430.5438744 2003 924205363.7962679 2004 1481460300.580293 2005 4173013694.8566175 2006 7939532609.242363 2007 10450746473.571714 2008 14636832123.24642 2009 9938850407.13803 2010 9578455863.338205 2011 13819219548.026863 2012 14844232072.191023 2013 15003861970.139908 2014 14796386735.767548 2015 9945017697.704622 2016 8709938327.702145 2017 8983531110.247147 2018 10026980386.289545 2019 8329916826.123901 2020 7454529303.053503 2021 9147762583.377377 2022 8729336872.630058 2023 8681962205.681522