Year	Number
1996	92.9648208618164
1998	92
2000	92.0398025512695
2002	91.5422897338867
2003	92.5373153686523
2004	92.3076934814453
2005	91.8660278320313
2006	90.4306182861328
2007	90.9090881347656
2008	90.8653869628906
2009	92.890998840332
2010	90.9952621459961
2011	92.0187759399414
2012	91.5492935180664
2013	91.5492935180664
2014	91.8269195556641
2015	92.3809509277344
2016	91.9047622680664
2017	91.9047622680664
2018	90.9523773193359
2019	92.3809509277344
2020	91.4285736083984
2021	90.476188659668
2022	89.6226425170898