Year	Number
1996	96.4824142456055
1998	93.5
2000	94.5273666381836
2002	92.5373153686523
2003	92.5373153686523
2004	90.3846130371094
2005	89.9521560668945
2006	89.9521560668945
2007	89.9521560668945
2008	89.9038467407227
2009	89.0995254516602
2010	89.0995254516602
2011	89.2018814086914
2012	86.3849792480469
2013	86.8544616699219
2014	86.0576934814453
2015	84.2857131958008
2016	86.1904754638672
2017	85.7142868041992
2018	85.7142868041992
2019	86.1904754638672
2020	83.3333358764648
2021	83.8095245361328
2022	83.0188674926758