Year	Number
1996	79.2349700927734
1998	77.0491790771484
2000	75.4098358154297
2002	75.6756744384766
2003	80.5405426025391
2004	79.6019897460938
2005	76.470588684082
2006	80
2007	78.1553421020508
2008	83.0097122192383
2009	82.7751159667969
2010	80.8612442016602
2011	79.1469192504883
2012	80.568717956543
2013	79.1469192504883
2014	79.8076934814453
2015	77.1428604125977
2016	82.8571395874023
2017	83.8095245361328
2018	82.3809509277344
2019	81.9047622680664
2020	84.7619018554688
2021	83.8095245361328
2022	80.6603775024414