Year constant 2021 international $ 1990 33050.64427843907 1991 34550.91788620279 1992 35369.996286837144 1993 36817.55397666408 1994 38584.92616361025 1995 38366.07178565558 1996 37663.963564639955 1997 39115.813110185816 1998 38714.058690707665 1999 38059.97047937163 2000 39934.24386434436 2001 40874.88562931751 2002 40007.79002045581 2003 40050.616549594204 2004 42586.36728439644 2005 41999.79251599009 2006 41974.40627750055 2007 42743.226465150496 2008 42990.8735373668 2009 37505.121842668676 2010 36069.47673438627 2011 36936.14636497442 2012 36256.758349137 2013 38300.5412154143 2014 37433.08408981735 2015 36963.07854955113 2016 37377.5022869711 2017 39797.66140570628 2018 40544.42529641258 2019 39432.12893286991 2020 29935.07027800216 2021 38226.14615697899 2022 42260.45183679314