Year	Number
1996	59.5628433227539
1998	59.0163917541504
2000	67.2131118774414
2002	60.5405387878418
2003	56.2162170410156
2004	54.2288551330566
2005	55.8823547363281
2006	64.3902435302734
2007	66.9902877807617
2008	61.6504859924316
2009	59.3301429748535
2010	61.7224884033203
2011	61.1374397277832
2012	61.1374397277832
2013	59.2417068481445
2014	54.8076934814453
2015	50.9523811340332
2016	54.2857131958008
2017	56.6666679382324
2018	50.9523811340332
2019	52.3809509277344
2020	56.6666679382324
2021	57.1428565979004
2022	61.7924537658691