Year constant 2021 international $ 2006 92275.10925816678 2007 92374.83932583072 2008 89387.2179525324 2009 80618.59252405971 2010 76294.2858822478 2011 75213.85661634228 2012 74306.97131260054 2013 73509.7112953728 2014 73754.40376912274 2015 74160.49965754399 2016 74910.3841468662 2017 75683.54500223255 2018 77328.42939259218 2019 78837.51298163732 2020 73621.01815916132 2021 76296.94068182731 2022 79565.44822201137