Year current international $ 1990 2918.1710277750676 1991 3099.7717485311755 1992 3230.6327998221236 1993 3313.7376006961463 1994 3409.815974672527 1995 3533.250602134827 1996 3727.295832475271 1997 3882.5299079448146 1998 3849.4439826763864 1999 3912.2737398958243 2000 4104.747111790817 2001 4216.889139329889 2002 4301.398182373191 2003 4540.087767735224 2004 4874.425420329785 2005 5248.4894572050825 2006 5714.668694578047 2007 6155.29710095346 2008 6445.442229229598 2009 6530.50409769299 2010 6925.705046985047 2011 7330.924545850686 2012 7696.969813186775 2013 7920.0871981878 2014 8148.531564104503 2015 8257.704413383817 2016 8563.894852834013 2017 8981.12904050208 2018 9483.058358149086 2019 9791.473737005845 2020 9549.25518334186 2021 10616.997150851932 2022 11993.2617913894 2023 12944.700745614457