Year constant 2021 international $ 1990 4372.826660306468 1991 4370.009378148083 1992 4434.729136510009 1993 4523.010717954992 1994 4615.584026161322 1995 4729.812467364853 1996 4922.060616549551 1997 5089.416257766565 1998 5149.668071225934 1999 5255.965352591871 2000 5450.03670051255 2001 5560.767154889461 2002 5725.535855129303 2003 5964.69304304855 2004 6323.105192137474 2005 6666.810017379986 2006 7086.9686441646045 2007 7569.168303849895 2008 7870.4427097618445 2009 8039.853916229326 2010 8545.632193045809 2011 8935.692815900473 2012 9268.264565966454 2013 9629.22578090456 2014 9971.05993546862 2015 10301.592910081199 2016 10665.0960557274 2017 11079.36232064124 2018 11479.976438504838 2019 11789.847927282373 2020 11446.920909851013 2021 12133.562123000109 2022 12506.901191128973 2023 12952.663049535335