Year constant 2021 international $ 1990 2189.277095125404 1991 2166.3968405076453 1992 2238.2533192998344 1993 2297.062661139723 1994 2401.007820345265 1995 2531.933476912176 1996 2670.4582945171537 1997 2725.786806305855 1998 2840.2404453018867 1999 3034.8347877496462 2000 3094.498196222723 2001 3185.6410507134387 2002 3248.5863865686697 2003 3444.03825456893 2004 3655.24755695546 2005 3882.092623593254 2006 4131.557631396988 2007 4383.319292398444 2008 4454.801612580563 2009 4738.6486251647 2010 5070.9783260277445 2011 5264.59204686513 2012 5478.377779149766 2013 5753.0971612387975 2014 6103.24102311785 2015 6513.443979941475 2016 6968.146833382502 2017 7356.156488781122 2018 7746.209968851662 2019 7964.023563410119 2020 7432.546796583103 2021 8087.993802676899 2022 8594.431581392188 2023 9172.09610837896