Year	Number
1996	85.4271392822266
1998	84.5
2000	86.5671615600586
2002	87.0646743774414
2003	85.0746231079102
2004	86.538459777832
2005	87.0813369750977
2006	88.0382766723633
2007	87.5598068237305
2008	87.9807662963867
2009	86.7298583984375
2010	87.6777267456055
2011	86.8544616699219
2012	86.8544616699219
2013	86.8544616699219
2014	86.538459777832
2015	84.7619018554688
2016	80
2017	80.476188659668
2018	79.0476226806641
2019	79.523811340332
2020	80
2021	80.476188659668
2022	72.6415100097656