Year current US$ 1970 51419748.9322578 1971 50030181.2730439 1972 60208244.706485 1973 60266553.5827596 1974 86157952.2843903 1975 91395269.7887707 1976 84273285.1674628 1977 81487609.918923 1978 78466076.9672741 1979 82058950.7625499 1980 89421174.3388367 1981 93985242.2068979 1982 116364321.852776 1983 129296570.973795 1984 123862482.765928 1985 119174690.740938 1986 144337889.208822 1987 132149228.253793 1988 125075108.083364 1989 100698960.665751 1990 110642941.649285 1991 105265121.924981 1992 91361026.9615225 1993 90183049.2111499 1994 106161231.669469 1995 122267115.200986 1996 129281825.844917 1997 107559367.696828 1998 68603664.1499272 1999 75123728.5438073 2000 97429487.3230413 2001 78574851.496869 2002 59544136.5568153 2003 69745519.2439084 2004 93946360.1935959 2005 101818957.603182 2006 109787767.925225 2007 140120176.578156 2008 227496687.198028 2009 369613015.78485 2010 578362009.38677 2011 1031026934.45772 2012 1362852021.17738 2013 1644807755.88647 2014 1944111772.96232 2015 2212534321.4625 2016 2306005434.16517 2017 2495704661.73852 2018 2825491276.8421 2019 3131990955.66557 2020 4185802330.73863 2021 3921571494.03727