Year	Number
1996	61.9565200805664
1998	58.152172088623
2000	61.4130439758301
2002	60.5405387878418
2003	57.8378372192383
2004	63.6815910339355
2005	54.4117660522461
2006	57.8431358337402
2007	62.6213607788086
2008	65.0485458374023
2009	67.464111328125
2010	67.464111328125
2011	68.2464447021484
2012	69.1943130493164
2013	68.2464447021484
2014	75.961540222168
2015	72.3809509277344
2016	74.7619018554688
2017	76.6666641235352
2018	79.0476226806641
2019	74.2857131958008
2020	74.7619018554688
2021	73.3333358764648
2022	75.9433975219727