Year constant 2021 international $ 1990 7964.0775403452735 1991 8121.788599979764 1992 8279.720687618756 1993 8322.08533162909 1994 8455.203195737138 1995 8667.601687174561 1996 8916.587622707162 1997 9206.909027093407 1998 9541.54412607253 1999 9864.80277169688 2000 10268.635946501117 2001 10483.341309217036 2002 10406.758518997924 2003 10490.749755828101 2004 10686.361410627389 2005 10942.632682873329 2006 11557.923131576295 2007 12187.598739621662 2008 12796.83578037966 2009 13035.851523078105 2010 13155.331532780223 2011 13008.116589475547 2012 13032.924239845197 2013 12976.905426911462 2014 13074.595566604925 2015 13440.020378113348 2016 13789.563994218668 2017 14015.750528763363 2018 14403.966913222821 2019 14770.054142195213 2020 15111.981146188546 2021 15358.753060619027 2022 16050.962126221943 2023 16218.13521224715