Year constant 2021 international $ 1990 10717.590823992363 1991 11378.973893573018 1992 12552.251026812635 1993 13253.02757884927 1994 13579.005449910896 1995 14641.234181739988 1996 15508.569183122636 1997 16458.062091672018 1998 17051.635690237596 1999 16711.423524013884 2000 17241.984000333236 2001 17625.332077051098 2002 17905.723947878898 2003 18339.805090298236 2004 18885.1708954479 2005 19638.833044694176 2006 19829.01925941813 2007 20830.587674797025 2008 22040.59659636244 2009 21794.541512444226 2010 22840.43669735623 2011 23433.39716955274 2012 25559.92666388404 2013 26447.628646661844 2014 26668.784872193184 2015 27519.171074695274 2016 27572.93992614246 2017 27180.740822707183 2018 27709.631873413906 2019 27495.491948183226 2020 24752.84146738333 2021 27407.05947682112 2022 28130.70734348464 2023 28047.16979910869