Year	Number
1996	60.1092910766602
1998	59.0163917541504
2000	63.3879776000977
2002	60.5405387878418
2003	63.7837829589844
2004	68.6567153930664
2005	70.5882339477539
2006	68.7804870605469
2007	65.0485458374023
2008	67.4757308959961
2009	68.8995208740234
2010	66.9856491088867
2011	66.3507080078125
2012	66.3507080078125
2013	65.8767776489258
2014	70.1923065185547
2015	66.6666641235352
2016	68.5714263916016
2017	64.7619018554688
2018	61.4285697937012
2019	60.9523811340332
2020	57.1428565979004
2021	57.1428565979004
2022	53.301887512207