Year	Number
1996	71
1998	68.1592025756836
2000	68.6567153930664
2002	69.1542282104492
2003	67.164176940918
2004	77.8846130371094
2005	71.6346130371094
2006	73.5576934814453
2007	72.5961532592773
2008	71.1538467407227
2009	70.1421813964844
2010	69.6682434082031
2011	68.5446014404297
2012	69.4835662841797
2013	70.4225387573242
2014	70.9359588623047
2015	71.9211807250977
2016	71.9211807250977
2017	73.3990173339844
2018	71.8446578979492
2019	70.0483093261719
2020	73.9130401611328
2021	75.3623199462891
2022	75.3623199462891