Year	Number
1996	63
1998	63.1840782165527
2000	64.1791076660156
2002	65.6716384887695
2003	64.6766204833984
2004	56.25
2005	71.6346130371094
2006	73.5576934814453
2007	71.6346130371094
2008	72.5961532592773
2009	71.5639801025391
2010	72.0379180908203
2011	69.9530487060547
2012	69.4835662841797
2013	69.9530487060547
2014	70.4433517456055
2015	70.4433517456055
2016	70.4433517456055
2017	68.9655151367188
2018	61.1650466918945
2019	64.7342987060547
2020	62.3188400268555
2021	60.8695640563965
2022	60.8695640563965