Year	Number
1996	86.3387985229492
1998	84.6994552612305
2000	80.8743133544922
2002	85.405403137207
2003	83.7837829589844
2004	81.0945281982422
2005	82.8431396484375
2006	78.5365829467773
2007	78.6407775878906
2008	82.5242691040039
2009	83.2535858154297
2010	78.9473648071289
2011	76.7772521972656
2012	79.1469192504883
2013	83.8862533569336
2014	79.3269195556641
2015	85.2380981445313
2016	84.7619018554688
2017	86.6666641235352
2018	85.2380981445313
2019	84.2857131958008
2020	80.476188659668
2021	80.476188659668
2022	80.1886825561523