Year	Number
1996	77.5
1998	78.6069641113281
2000	79.1044769287109
2002	76.1194000244141
2003	73.1343307495117
2004	62.019229888916
2005	87.5
2006	87.5
2007	87.5
2008	83.6538467407227
2009	85.3080596923828
2010	87.6777267456055
2011	85.9154891967773
2012	86.8544616699219
2013	86.3849792480469
2014	84.2364501953125
2015	73.8916244506836
2016	79.3103485107422
2017	79.3103485107422
2018	76.6990280151367
2019	72.9468612670898
2020	71.9806747436523
2021	71.4975814819336
2022	71.0144958496094