Year	Number
1996	50.7537689208984
1998	63
2000	60.1990051269531
2002	65.6716384887695
2003	68.1592025756836
2004	69.2307662963867
2005	68.8995208740234
2006	61.2440185546875
2007	66.0287094116211
2008	65.3846130371094
2009	64.4549789428711
2010	63.5071105957031
2011	62.4413146972656
2012	60.5633811950684
2013	61.5023460388184
2014	66.8269195556641
2015	65.7142868041992
2016	65.7142868041992
2017	65.7142868041992
2018	65.2380981445313
2019	67.1428604125977
2020	65.2380981445313
2021	65.2380981445313
2022	65.0943374633789