Year	Number
1996	68.8442230224609
1998	64
2000	68.1592025756836
2002	63.1840782165527
2003	64.6766204833984
2004	68.75
2005	64.1148300170898
2006	66.5071792602539
2007	68.4210510253906
2008	68.75
2009	62.0853080749512
2010	62.0853080749512
2011	61.5023460388184
2012	59.1549301147461
2013	59.1549301147461
2014	61.538459777832
2015	56.6666679382324
2016	48.5714302062988
2017	45.7142868041992
2018	50.476188659668
2019	50.476188659668
2020	54.2857131958008
2021	53.3333320617676
2022	54.2452812194824