Year	Number
1996	71.5053787231445
1998	70.5882339477539
2000	81.9148941040039
2002	77.2486801147461
2003	80.4232788085938
2004	77.8325119018555
2005	78.0487823486328
2006	80.4878082275391
2007	81.0679626464844
2008	80.5825271606445
2009	73.684211730957
2010	74.7619018554688
2011	72.9857788085938
2012	78.6729888916016
2013	80.568717956543
2014	78.3653869628906
2015	77.6190490722656
2016	73.8095245361328
2017	74.7619018554688
2018	70
2019	60.476188659668
2020	62.8571434020996
2021	62.8571434020996
2022	61.7924537658691