Year	Number
1996	89.9497451782227
1998	91
2000	92.0398025512695
2002	92.5373153686523
2003	90.0497512817383
2004	91.8269195556641
2005	90.9090881347656
2006	89.9521560668945
2007	89.9521560668945
2008	89.9038467407227
2009	89.5734634399414
2010	90.0473937988281
2011	90.1408462524414
2012	90.1408462524414
2013	90.1408462524414
2014	89.9038467407227
2015	88.0952377319336
2016	85.7142868041992
2017	85.2380981445313
2018	84.7619018554688
2019	85.2380981445313
2020	85.7142868041992
2021	85.7142868041992
2022	81.6037750244141