Year constant 2021 international $ 2010 8689.81930723231 2011 9099.459332619168 2012 9528.256938652334 2013 9920.760752231028 2014 10262.766341881406 2015 10650.628410095293 2016 11083.031475360513 2017 11528.33126421603 2018 12028.828692115152 2019 12510.59059531538 2020 12192.413052968986 2021 12546.963467127343 2022 13106.564013018695 2023 13700.129891357323