Year	Number
1996	96.9849243164063
1998	94
2000	94.5273666381836
2002	92.0398025512695
2003	93.0348281860352
2004	94.711540222168
2005	94.2583694458008
2006	93.7799072265625
2007	92.8229675292969
2008	94.711540222168
2009	92.890998840332
2010	94.3127975463867
2011	92.9577484130859
2012	92.4882659912109
2013	92.0187759399414
2014	90.8653869628906
2015	90.476188659668
2016	91.9047622680664
2017	93.3333358764648
2018	92.3809509277344
2019	92.3809509277344
2020	90.9523773193359
2021	90.476188659668
2022	89.6226425170898