Year	Number
1996	81.4070358276367
1998	80
2000	80.5970153808594
2002	82.5870666503906
2003	83.0845794677734
2004	80.7692337036133
2005	80.8612442016602
2006	69.3779907226563
2007	71.291862487793
2008	71.6346130371094
2009	72.9857788085938
2010	71.5639801025391
2011	71.3615036010742
2012	72.3004684448242
2013	72.7699508666992
2014	76.9230804443359
2015	77.6190490722656
2016	75.7142868041992
2017	77.6190490722656
2018	77.1428604125977
2019	78.0952377319336
2020	79.0476226806641
2021	78.0952377319336
2022	78.7735824584961