Year	Number
1996	82.4120635986328
1998	84
2000	81.0945281982422
2002	82.5870666503906
2003	79.6019897460938
2004	69.711540222168
2005	69.8564605712891
2006	66.5071792602539
2007	66.9856491088867
2008	71.1538467407227
2009	68.2464447021484
2010	66.3507080078125
2011	69.9530487060547
2012	71.8309860229492
2013	76.0563354492188
2014	78.3653869628906
2015	77.6190490722656
2016	84.2857131958008
2017	81.9047622680664
2018	82.3809509277344
2019	82.3809509277344
2020	84.2857131958008
2021	82.3809509277344
2022	83.4905624389648