Year constant 2021 international $ 1990 3158.4410048628542 1991 2806.6031805308958 1992 2792.3608630440685 1993 2700.230466473108 1994 2616.8258753084847 1995 2624.685946416855 1996 2703.2613056129812 1997 2808.0724670954323 1998 2933.3255538179583 1999 2982.994436950227 2000 3065.9944680617787 2001 3104.9063035407544 2002 3172.8783057891405 2003 3040.3195263608545 2004 3309.310467826262 2005 3406.4276948588454 2006 3517.5627081654507 2007 3630.5085380260534 2008 3751.49344940593 2009 3812.8349399408303 2010 3943.2034387828544 2011 3994.028140602463 2012 4081.712122420667 2013 4185.494137372881 2014 4267.691532286168 2015 4289.702333104296 2016 4295.074438755644 2017 4249.961656703259 2018 4244.972476940536 2019 4269.591581790784 2020 4040.243367897669 2021 4046.193111108853 2022 4104.099125241304 2023 4089.1110943178332