Annual distribution Published book and chapter annual distribution Year Total amount 2024 2* 2023 11 2022 4 2021 5 2020 6 2019 5 2018 6 2017 14 2016 4 2015 7 2014 11 2013 11 2012 14 2011 4 2010 18 2009 4 2008 5 2007 3 2006 1