Year current US$ 1965 10679375.821893139 1966 11924968.93231778 1967 13178997.280524371 1968 13807569.895592457 1969 18940000.584911786 1970 33221014.664705046 1971 58601097.068681896 1972 76019502.3989814 1973 103657324.30119547 1974 100739245.03699169 1975 94522304.01834732 1976 92747523.1868808 1977 115207373.27188939 1978 170076446.8572988 1979 258034593.567908 1980 366174531.18466336 1981 384170433.2778002 1982 326515231.7121849 1983 319210229.3135544 1984 326716590.68695974 1985 254498264.7128853 1986 311444998.36095583 1987 540995782.4604914 1988 792223289.2264414 1989 969484129.6232144 1990 1226493792.4154487 1991 1232985268.2857816 1992 1225301875.836898 1993 1120998937.300744 1994 1102380389.2134714 1995 1276203400.395425 1996 1115637851.7879658 1997 1313971901.2162664 1998 1346725415.7713895 1999 1463196807.3661528 2000 1455329491.5520012 2001 1422824077.244402 2002 1494186281.723546 2003 2104433806.7435703 2004 2493917875.9402504 2005 2513432466.238005 2006 2009773407.8863866 2007 2596158874.6986384 2008 2724101482.7025847 2009 2867075901.498531 2010 3382352852.8583784 2011 4563156300.7578125 2012 4376099377.987769 2013 3937537594.172957 2014 3934884681.881841 2015 3667277513.892794 2016 3698137794.168289 2017 3894094052.6510143 2018 4495321361.081767 2019 4825368489.588055 2020 4133640184.975143 2021 4948933270.967447 2022 4961029955.352205 2023 4976536843.7561865