Year constant 2021 international $ 1990 22847.685424226933 1991 23790.178463455635 1992 24730.134485298153 1993 25118.0308845631 1994 26215.41738634432 1995 27142.66611836282 1996 28128.410066221353 1997 28670.397252883933 1998 29412.31691298296 1999 29528.26851935263 2000 30349.358909510956 2001 30306.619411251337 2002 29744.480483344472 2003 29427.118254731464 2004 30181.54961716238 2005 31342.54817575196 2006 32550.09463346441 2007 33747.92785966294 2008 33328.60825334638 2009 33538.95934901142 2010 34699.304339481765 2011 35728.29256199287 2012 35851.676594100514 2013 37084.80553377321 2014 38429.68094144382 2015 39308.41243090776 2016 40581.94098405262 2017 41657.80155019134 2018 42435.43941314052 2019 43591.80079867906 2020 42328.773143006045 2021 45526.4774510953 2022 47910.69018088071