Year	Number
1996	56.2841529846191
1998	61.7486343383789
2000	59.5628433227539
2002	58.9189186096191
2003	60.5405387878418
2004	59.2039794921875
2005	61.764705657959
2006	59.5121955871582
2007	67.4757308959961
2008	66.5048522949219
2009	64.5932998657227
2010	66.5071792602539
2011	68.7203826904297
2012	68.7203826904297
2013	68.2464447021484
2014	72.5961532592773
2015	70.476188659668
2016	65.7142868041992
2017	64.7619018554688
2018	67.1428604125977
2019	66.6666641235352
2020	68.5714263916016
2021	67.1428604125977
2022	67.4528274536133