Year constant 2011 international $ 1990 340095398.898328 1991 361912314.07522 1992 362824280.69339 1993 376386824.102102 1994 395027482.355004 1995 409690402.15196 1996 409732255.692407 1997 409193116.006906 1998 420318310.227094 1999 436633825.329184 2000 451347685.2905 2001 467604275.013277 2002 483591088.379123 2003 493788001.360932 2004 492052731.545802 2005 499837834.259327 2006 495778040.835924 2007 475125039.576608 2008 489851634.579014 2009 501072238.350287 2010 519038971.996313 2011 533494964.58507 2012 538244790.721375 2013 521448304.094439 2014 532255879.506033 2015 552012402.710668 2016 570667516.956158 2017 586075539.913975 2018 587833766.533717