Year current international $ 1990 26722.256613453552 1991 27675.74804934109 1992 31211.364233002514 1993 32871.711414362275 1994 34275.22545426593 1995 35430.61111297382 1996 35247.76582805339 1997 35112.596260192346 1998 33311.62728850101 1999 32463.693944300674 2000 34588.44197554903 2001 35790.0210212562 2002 38656.74192530748 2003 42784.32413303423 2004 54114.352865483794 2005 58702.303994534996 2006 66804.57596935297 2007 76494.9589476335 2008 78524.2066614586 2009 77954.99122853622 2010 96195.70856420773 2011 116537.53781143545 2012 129705.12145992104 2013 149421.5926942485 2014 149325.17180176184 2015 113813.73900536857 2016 112351.27723435852 2017 122838.38278616303 2018 131302.8263383434 2019 127747.21911072778 2020 57992.21333998719 2021 73734.08161174426 2022 61270.12421819859 2023 113183.16304569272