Year constant 2021 international $ 1990 1108.3327814630268 1991 1178.0414092749188 1992 1151.2966205189712 1993 1159.190609769105 1994 1143.8466916358755 1995 1182.326876718522 1996 1288.0098400397046 1997 1330.11627368037 1998 1388.4559412308233 1999 1451.1206402457462 2000 1431.825184544048 2001 1477.304436972841 2002 1486.8873469061775 2003 1550.8980698402997 2004 1574.9876914005545 2005 1655.2152220794733 2006 1716.8760002300985 2007 1733.9083102744078 2008 1779.7092687586273 2009 1765.0620077159272 2010 1825.9262592787832 2011 1867.6639803412531 2012 1958.3715802552088 2013 2008.2825367437006 2014 1999.68530818018 2015 2012.0621686029567 2016 2070.6032343008214 2017 2152.666106151326 2018 2246.0162555042434 2019 2280.730481358927 2020 2286.2957873230484 2021 2351.68040798102