Year	Number
1996	49.4565200805664
1998	47.8260879516602
2000	50.5434799194336
2002	62.1621627807617
2003	65.9459457397461
2004	67.164176940918
2005	64.7058792114258
2006	62.2549018859863
2007	64.5631103515625
2008	64.0776672363281
2009	65.0717697143555
2010	66.5071792602539
2011	64.9289093017578
2012	63.0331764221191
2013	63.9810409545898
2014	62.5
2015	61.9047622680664
2016	63.3333320617676
2017	64.7619018554688
2018	69.0476226806641
2019	71.9047622680664
2020	63.3333320617676
2021	68.0952377319336
2022	68.3962249755859