Year	Number
1996	65.2173919677734
1998	70.6521759033203
2000	65.2173919677734
2002	60.5405387878418
2003	58.9189186096191
2004	52.7363166809082
2005	54.4117660522461
2006	55.3921585083008
2007	57.7669906616211
2008	58.2524261474609
2009	57.4162673950195
2010	54.5454559326172
2011	55.9241714477539
2012	63.0331764221191
2013	62.5592422485352
2014	65.3846130371094
2015	65.2380981445313
2016	66.1904754638672
2017	69.0476226806641
2018	63.8095245361328
2019	65.2380981445313
2020	65.2380981445313
2021	64.2857131958008
2022	63.6792449951172