Year	Number
1996	84.239128112793
1998	76.0869598388672
2000	83.1521759033203
2002	83.2432403564453
2003	85.405403137207
2004	83.0845794677734
2005	88.7254867553711
2006	87.7450942993164
2007	86.8932037353516
2008	85.9223327636719
2009	81.339714050293
2010	81.339714050293
2011	79.620849609375
2012	84.8341217041016
2013	83.4123229980469
2014	82.6923065185547
2015	80
2016	81.9047622680664
2017	81.4285736083984
2018	83.8095245361328
2019	82.3809509277344
2020	81.4285736083984
2021	80.9523773193359
2022	77.3584899902344