Year	Number
1996	83.6956558227539
1998	89.1304321289063
2000	84.7826080322266
2002	83.2432403564453
2003	78.9189224243164
2004	78.6069641113281
2005	75.9803924560547
2006	79.9019622802734
2007	82.5242691040039
2008	82.0388336181641
2009	78.9473648071289
2010	79.4258346557617
2011	78.6729888916016
2012	71.5639801025391
2013	70.1421813964844
2014	69.2307662963867
2015	66.1904754638672
2016	65.7142868041992
2017	66.1904754638672
2018	61.9047622680664
2019	60.476188659668
2020	57.6190490722656
2021	60
2022	61.3207550048828