2012 900 2013 882 -2.0% 2014 919 4.2% 2015 1,144 24.5% 2016 1,083 -5.3% 2017 1,140 5.3% 2018 1,110 -2.6% 2019 1,170 5.4% 2020 908 -22.4% 2021 831 -8.5%