Year	Number
1996	64.6739120483398
1998	68.4782638549805
2000	65.2173919677734
2002	57.8378372192383
2003	56.7567558288574
2004	54.2288551330566
2005	49.0196075439453
2006	46.5686264038086
2007	47.0873794555664
2008	47.0873794555664
2009	44.0191383361816
2010	42.5837326049805
2011	39.8104248046875
2012	42.6540298461914
2013	44.5497627258301
2014	48.5576934814453
2015	45.7142868041992
2016	50.9523811340332
2017	50
2018	45.7142868041992
2019	42.8571434020996
2020	45.238094329834
2021	46.1904754638672
2022	47.6415100097656