Year	Number
1996	85.5
1998	86.5671615600586
2000	87.0646743774414
2002	87.5621871948242
2003	89.0547256469727
2004	90.8653869628906
2005	89.9038467407227
2006	90.3846130371094
2007	91.3461532592773
2008	90.8653869628906
2009	91.9431304931641
2010	92.4170608520508
2011	94.3661956787109
2012	95.3051605224609
2013	94.8356781005859
2014	94.0886688232422
2015	92.1182250976563
2016	93.1034469604492
2017	93.596061706543
2018	92.7184448242188
2019	95.1690826416016
2020	93.7198104858398
2021	92.7536239624023
2022	93.2367172241211