Year	Number
1996	81.5217361450195
1998	74.4565200805664
2000	78.260871887207
2002	79.4594573974609
2003	85.9459457397461
2004	85.572135925293
2005	85.2941207885742
2006	86.2745132446289
2007	86.8932037353516
2008	87.3786392211914
2009	85.6459350585938
2010	86.6028671264648
2011	84.8341217041016
2012	83.4123229980469
2013	85.3080596923828
2014	81.7307662963867
2015	82.8571395874023
2016	82.3809509277344
2017	83.3333358764648
2018	83.8095245361328
2019	90.9523773193359
2020	85.2380981445313
2021	85.7142868041992
2022	85.3773574829102