Year	Number
1996	66.6666641235352
1998	66.3101577758789
2000	64.8936157226563
2002	63.4920616149902
2003	54.4973526000977
2004	36.9458122253418
2005	35.6097564697266
2006	47.8048782348633
2007	48.5436897277832
2008	48.0582542419434
2009	52.6315803527832
2010	51.4285697937012
2011	54.028434753418
2012	54.028434753418
2013	54.028434753418
2014	57.211540222168
2015	55.238094329834
2016	54.2857131958008
2017	59.523811340332
2018	59.523811340332
2019	59.0476188659668
2020	59.0476188659668
2021	60.476188659668
2022	62.7358474731445