Year	Number
1996	82.6086959838867
1998	77.1739120483398
2000	73.3695678710938
2002	81.6216201782227
2003	79.4594573974609
2004	79.6019897460938
2005	77.4509811401367
2006	78.4313735961914
2007	81.0679626464844
2008	81.0679626464844
2009	77.9904327392578
2010	79.4258346557617
2011	77.7251205444336
2012	82.9383850097656
2013	84.8341217041016
2014	85.5769195556641
2015	86.6666641235352
2016	84.2857131958008
2017	82.8571395874023
2018	82.3809509277344
2019	82.8571395874023
2020	83.3333358764648
2021	86.1904754638672
2022	87.7358474731445