Year current international $ 1990 3032.844759502963 1991 3338.8450943751022 1992 3675.4037163232047 1993 4058.1780367694414 1994 4484.3366768870055 1995 4795.0077124502295 1996 5258.079840749282 1997 5667.008073619246 1998 5623.408261165941 1999 5861.600145138385 2000 5904.547575662272 2001 6168.965367171267 2002 6331.504748774544 2003 6413.672817147606 2004 6690.320612970166 2005 6771.842020718965 2006 7351.742509934361 2007 8113.6748549668755 2008 8441.61555853782 2009 8834.309494840909 2010 9353.126082838384 2011 10092.082486306146 2012 10659.993163272517 2013 11238.86275914966 2014 11191.234588647854 2015 11465.136180288615 2016 11584.059252287308 2017 12327.068200290169 2018 12538.21374444041 2019 13388.706078713118 2020 17036.2899236041 2021 23176.133200621676 2022 40337.59901465216 2023 55262.52483436298