Year	Number
1996	79.8994979858398
1998	83
2000	80.0995025634766
2002	78.1094512939453
2003	83.0845794677734
2004	75.4807662963867
2005	73.684211730957
2006	70.3349304199219
2007	71.7703323364258
2008	77.8846130371094
2009	74.407585144043
2010	75.8293838500977
2011	75.5868530273438
2012	75.1173706054688
2013	71.3615036010742
2014	76.9230804443359
2015	74.7619018554688
2016	73.8095245361328
2017	73.8095245361328
2018	73.3333358764648
2019	73.8095245361328
2020	72.3809509277344
2021	73.8095245361328
2022	74.5283050537109