Year	Number
2009	88.0382766723633
2010	88.0382766723633
2011	88.1516571044922
2012	90.0473937988281
2013	90.0473937988281
2014	89.9038467407227
2015	90
2016	88.0952377319336
2017	88.5714263916016
2018	89.523811340332
2019	89.523811340332
2020	90.476188659668
2021	88.0952377319336
2022	85.8490600585938