Year current US$ 1965 691237409.8160455 1966 604091698.6299746 1967 662188839.4206885 1968 733525804.813368 1969 705860499.6749327 1970 788856415.0902383 1971 952681001.9645704 1972 1078508085.5503392 1973 1300000657.426817 1974 1585439223.6473935 1975 1608148280.302935 1976 1845309858.1860707 1977 1810431621.2878158 1978 2504397395.4267087 1979 2850889453.9146385 1980 3285817419.1939025 1981 1900640063.909722 1982 2285055575.0917063 1983 2051477622.3777208 1984 1797219828.623366 1985 1992481367.3854713 1986 3056542070.3432455 1987 2560569909.29183 1988 3651031172.7229543 1989 3776604379.978252 1990 4555717112.927369 1991 5649793523.266966 1992 4733963633.16936 1993 4137182826.110335 1994 6145098848.2016735 1995 5266219754.098361 1996 7958985201.258026 1997 5728966085.861237 1998 6736011028.676808 1999 5772495524.722067 2000 4615184396.762658 2001 5205504444.626304 2002 5575482823.700209 2003 7248946934.7528715 2004 7847308558.384585 2005 7366463572.283297 2006 9336873178.275959 2007 8586320892.961749 2008 11063019937.873573 2009 12103238137.791513 2010 12065592685.797272 2011 13299834669.880562 2012 12115740437.587538 2013 14303484954.62021 2014 12333790567.758585 2015 13024627962.87064 2016 11516520662.400806 2017 13229470332.12347 2018 14396604682.114046 2019 13978053204.52911 2020 12940716008.165657 2021 17011878755.082615 2022 13525302490.192566 2023 16883517720.272009