Year	Number
1996	82.5136642456055
1998	79.7814178466797
2000	83.0601119995117
2002	83.2432403564453
2003	79.4594573974609
2004	76.1194000244141
2005	75.4901962280273
2006	80.9756088256836
2007	84.4660186767578
2008	86.8932037353516
2009	84.2105255126953
2010	84.2105255126953
2011	84.3601913452148
2012	84.8341217041016
2013	86.2559204101563
2014	80.7692337036133
2015	74.7619018554688
2016	77.1428604125977
2017	80
2018	78.0952377319336
2019	76.6666641235352
2020	80.9523773193359
2021	77.1428604125977
2022	76.8867950439453