Year constant 2021 international $ 1990 5808.114893969659 1991 5716.568876213496 1992 5699.137573520303 1993 5548.605471907816 1994 5424.244510834057 1995 6025.5109331258855 1996 6309.567337333842 1997 6393.902312941825 1998 6207.043799033637 1999 6411.403079562732 2000 6252.7230766364155 2001 6558.878254924971 2002 6354.027569609777 2003 6402.012143523802 2004 6734.353973495033 2005 7516.025777305632 2006 7508.384561520112 2007 7856.134942525462 2008 7770.676901188887 2009 7699.950735066142 2010 7711.573525448024 2011 7769.564694476016 2012 8097.134314804303 2013 8554.221007315007 2014 8576.052997310717 2015 8731.244314829606 2016 8613.618165125228 2017 8599.294155688924 2018 8696.53787107007 2019 8473.949716794237 2020 8361.686314575238 2021 9440.039983596802 2022 11034.707894682497