Year	Number
2009	84.2105255126953
2010	84.2857131958008
2011	84.3601913452148
2012	84.3601913452148
2013	83.8862533569336
2014	84.1346130371094
2015	86.6666641235352
2016	83.3333358764648
2017	83.3333358764648
2018	83.3333358764648
2019	82.8571395874023
2020	81.4285736083984
2021	81.9047622680664
2022	82.0754699707031