Year	Number
1996	65.3266296386719
1998	64
2000	65.1741256713867
2002	64.1791076660156
2003	64.1791076660156
2004	65.8653869628906
2005	58.8516731262207
2006	59.8086128234863
2007	61.7224884033203
2008	68.75
2009	65.8767776489258
2010	65.8767776489258
2011	63.8497657775879
2012	65.7276992797852
2013	65.2582168579102
2014	69.711540222168
2015	64.2857131958008
2016	63.8095245361328
2017	64.7619018554688
2018	67.1428604125977
2019	69.523811340332
2020	69.523811340332
2021	62.8571434020996
2022	66.5094375610352