Year	Number
1996	91.9598007202148
1998	92
2000	92.5373153686523
2002	92.5373153686523
2003	92.5373153686523
2004	92.3076934814453
2005	91.8660278320313
2006	92.8229675292969
2007	92.8229675292969
2008	92.3076934814453
2009	90.9952621459961
2010	90.9952621459961
2011	90.6103286743164
2012	91.0798110961914
2013	91.5492935180664
2014	90.3846130371094
2015	90
2016	89.523811340332
2017	90.476188659668
2018	91.9047622680664
2019	92.3809509277344
2020	90.9523773193359
2021	90.476188659668
2022	89.6226425170898