Year constant 2021 international $ 1990 8052.810164582975 1991 7791.436545895558 1992 8245.418729829815 1993 8396.09078466057 1994 8806.381753662046 1995 9010.100190984927 1996 9391.705388493549 1997 9093.370846833803 1998 9105.486146409095 1999 9792.773029071126 2000 9521.223121987987 2001 9609.939179499675 2002 9817.441351676327 2003 9818.401063984027 2004 10238.715998429436 2005 10213.413746488302 2006 10306.49173283428 2007 10132.02235005058 2008 10167.22458390037 2009 9974.5576864097 2010 10226.320474146647 2011 10466.118585478378 2012 10582.326848786568 2013 11054.269999076607 2014 11646.832653060788 2015 12149.317425587355 2016 12430.577161795945 2017 13086.797266715042 2018 13586.051956101619 2019 13514.993337474225 2020 11188.216871102273 2021 10593.91273336521 2022 12643.931791448185 2023 13562.380763926798