Year current US$ 1980 1935.7458190026616 1981 2102.655490324428 1982 2068.9371436504725 1983 1952.7755719319482 1984 1990.0517132797338 1985 1979.131057497358 1986 2155.3136760248717 1987 2530.4761671636043 1988 2936.7353471869424 1989 3029.4686926265595 1990 3166.3054113133576 1991 3263.0860694302783 1992 3568.6909205538996 1993 3638.787454049298 1994 3736.6035411279454 1995 4041.7696573532967 1996 4337.97804261265 1997 4408.244705992289 1998 4470.269799890288 1999 4560.896761660591 2000 4837.194683169163 2001 4878.7859871006785 2002 4984.530987962455 2003 5510.7657932442835 2004 6480.8430871974415 2005 7534.400600846691 2006 8290.75422335049 2007 9231.732893707684 2008 10055.264825155125 2009 9720.870145026585 2010 9774.895573982807 2011 10149.63778640151 2012 10783.462959924256 2013 11203.305198501743 2014 11195.269562417987 2015 10931.337837373036 2016 10658.38474897405 2017 10828.646533371226 2018 11801.084618157354 2019 12470.036325839354 2020 11414.47617530882 2021 12287.569849370342 2022 13527.943238562588 2023 14242.727357109747