2008 4595 2009 4595 2010 14383 2011 16714 2012 18820 2013 20572 2014 22206 2015 22337 2016 21625 2017 22892 2018 23514 2019 26378 2020 28202 2021 29069 2022 30195 2023 31450 2024 31628