Year	Number
1996	55.9782600402832
1998	61.9565200805664
2000	57.6086959838867
2002	50.2702713012695
2003	50.2702713012695
2004	52.7363166809082
2005	50.4901962280273
2006	50.9803924560547
2007	50
2008	51.4563102722168
2009	48.8038291931152
2010	52.1531105041504
2011	51.6587677001953
2012	52.6066360473633
2013	53.0805702209473
2014	49.519229888916
2015	48.0952377319336
2016	44.761905670166
2017	36.1904754638672
2018	35.7142868041992
2019	36.6666679382324
2020	38.5714302062988
2021	34.2857131958008
2022	31.1320762634277