Year current US$ 1962 707049620.6787593 1963 720347992.8988252 1964 770646824.5878962 1965 797619225.0102365 1966 880989588.9425159 1967 964308716.3438526 1968 1066751410.2701014 1969 1108568111.9126983 1970 1170460145.2357268 1971 1228954584.8201034 1972 1309843831.828025 1973 1532536884.4207335 1974 1919042913.7552338 1975 2330746819.0118785 1976 2314957227.6325245 1977 2453101739.840298 1978 2579045553.4858327 1979 3328430766.833485 1980 4327745469.381489 1981 4540741893.727579 1982 4808575293.346473 1983 4562940722.157636 1984 4251042219.565242 1985 3993996196.3155613 1986 4091973256.2738123 1987 3892632508.519847 1988 3768866897.29466 1989 3373609097.6572213 1990 3573000982.7899146 1991 3287467422.7949533 1992 3597444957.9276767 1993 3739193219.224333 1994 3742033107.703479 1995 3820371368.8335495 1996 4110464949.5414557 1997 4349303515.171175 1998 4462925216.099833 1999 4317952529.092559 2000 4520834804.7023735 2001 4894076064.738325 2002 4622223173.481776 2003 5797339441.460408 2004 6135995041.625776 2005 6222219899.928689 2006 6178297191.126586 2007 7347130307.952533 2008 9051646345.289389 2009 9640306360.81021 2010 9935553260.23154 2011 10403440520.264204 2012 11058407527.50501 2013 11853484553.282398 2014 12212716765.809235 2015 11802421961.184269 2016 11596598308.749472 2017 11965832666.097551 2018 13057333186.985195 2019 13964679893.88075 2020 12988004337.328424 2021 14238427671.519878 2022 15213095483.496706 2023 15926456506.497818