Year	Number
1996	63.3165817260742
1998	65.5
2000	62.6865653991699
2002	66.6666641235352
2003	79.1044769287109
2004	71.6346130371094
2005	74.6411514282227
2006	76.0765533447266
2007	81.339714050293
2008	83.6538467407227
2009	82.9383850097656
2010	80.568717956543
2011	78.4037551879883
2012	80.2816925048828
2013	80.7511749267578
2014	83.6538467407227
2015	80.476188659668
2016	85.7142868041992
2017	84.7619018554688
2018	84.2857131958008
2019	85.2380981445313
2020	85.2380981445313
2021	85.7142868041992
2022	84.9056625366211