Year	Number
1996	73.118278503418
1998	63.6363639831543
2000	69.6808547973633
2002	61.375659942627
2003	72.4867706298828
2004	71.9211807250977
2005	72.1951217651367
2006	72.6829299926758
2007	72.3300933837891
2008	72.8155364990234
2009	71.291862487793
2010	70
2011	69.6682434082031
2012	64.9289093017578
2013	63.5071105957031
2014	64.9038467407227
2015	63.8095245361328
2016	64.2857131958008
2017	62.8571434020996
2018	65.7142868041992
2019	65.7142868041992
2020	74.2857131958008
2021	65.7142868041992
2022	66.0377349853516