Year	Number
1996	58.7939682006836
1998	58.5
2000	57.2139320373535
2002	69.1542282104492
2003	86.5671615600586
2004	89.9038467407227
2005	70.3349304199219
2006	63.1578941345215
2007	58.8516731262207
2008	63.461540222168
2009	69.1943130493164
2010	69.6682434082031
2011	68.5446014404297
2012	69.4835662841797
2013	70.4225387573242
2014	79.8076934814453
2015	78.5714263916016
2016	78.0952377319336
2017	77.6190490722656
2018	80
2019	78.5714263916016
2020	76.1904754638672
2021	76.1904754638672
2022	76.8867950439453