Year constant 2021 international $ 2008 7415.308865095491 2009 7595.297193445175 2010 7989.451677889798 2011 8531.06398207579 2012 8708.522102004605 2013 9045.93076892788 2014 9350.530136830224 2015 9985.48165670362 2016 10564.724333031301 2017 11074.533395246144 2018 11377.743629252429 2019 12043.729930150535 2020 11413.431353618047 2021 12597.864763695932 2022 13184.69893977178 2023 13799.943978302312