Year	Number
1996	66.331657409668
1998	66
2000	68.1592025756836
2002	71.1442794799805
2003	71.1442794799805
2004	76.9230804443359
2005	80.3827743530273
2006	87.5598068237305
2007	85.6459350585938
2008	85.5769195556641
2009	84.3601913452148
2010	85.3080596923828
2011	85.9154891967773
2012	85.9154891967773
2013	86.3849792480469
2014	87.0192337036133
2015	87.1428604125977
2016	85.7142868041992
2017	85.7142868041992
2018	85.7142868041992
2019	86.1904754638672
2020	88.5714263916016
2021	88.0952377319336
2022	89.6226425170898