Year % 2007 16.327 2010 8.255 2011 10.982 2012 12.936 2013 8.129 2014 11.23 2015 13.572 2016 15.306 2017 14.547 2018 14.825 2019 14.565 2020 22.725 2021 15.513 2022 17.074