Year constant 2021 international $ 1990 35089.26941206113 1991 35004.0975108197 1992 34877.57361157583 1993 34786.65963872147 1994 35288.992624610466 1995 35959.76886807585 1996 36694.45735715603 1997 37699.166208915616 1998 38371.178649181 1999 39508.032783161405 2000 41093.58535436857 2001 41623.57415588851 2002 42162.70837656027 2003 43042.552967173804 2004 44446.49613676474 2005 45614.418217150436 2006 46971.04400043237 2007 48185.12710362927 2008 48354.15669312344 2009 46297.6394383201 2010 47498.99665643426 2011 48408.45093690977 2012 48897.60718608867 2013 49384.84439941402 2014 50146.54130581355 2015 50942.63851960288 2016 51581.650886822186 2017 52624.64974978238 2018 53669.93465420684 2019 54470.93736533946 2020 52122.8159054628 2021 55103.06244866745 2022 56396.17018865796 2023 57034.440739897356