Year	Number
1996	85.2459030151367
1998	86.8852462768555
2000	87.978141784668
2002	86.4864883422852
2003	85.405403137207
2004	89.0547256469727
2005	85.2941207885742
2006	85.8536605834961
2007	87.3786392211914
2008	84.4660186767578
2009	82.7751159667969
2010	83.7320556640625
2011	82.4644546508789
2012	83.4123229980469
2013	82.4644546508789
2014	82.6923065185547
2015	82.3809509277344
2016	81.9047622680664
2017	83.8095245361328
2018	84.7619018554688
2019	82.3809509277344
2020	77.6190490722656
2021	77.1428604125977
2022	76.8867950439453