2008 2673.0 2009 13293.0 2010 13310.0 2011 8343.0 2012 10350.0 2013 8103.0 2014 13429.7 2015 13919.3 2016 15136.7 2017 15776.0 2018 14971.8 2019 11090.0 2020 12471.1 2021 13763.2 2022 12607.6 2023 8220.1