Year current international $ 1995 4826.180728850235 1996 5227.572201102289 1997 5716.967040203958 1998 5997.062916883681 1999 5528.7331714877355 2000 6019.864890769393 2001 6483.954402119618 2002 7364.7467968194305 2003 7646.16969157424 2004 8487.697547684937 2005 9181.604864590503 2006 10209.042767412244 2007 11238.6239751162 2008 12631.773250396789 2009 12533.368619914609 2010 12795.509935765283 2011 13746.123524314798 2012 13933.148020587487 2013 14628.27416276144 2014 14658.534822010057 2015 14927.354865538819 2016 15857.440320832102 2017 16609.452734339506 2018 17716.728386799983 2019 19688.25297005177 2020 20065.44677184259 2021 22574.230472232837 2022 25057.41951866464 2023 27401.789074534106