Year	Number
1996	89.247314453125
1998	85.026741027832
2000	84.5744705200195
2002	85.185188293457
2003	83.0687866210938
2004	84.7290649414063
2005	81.4634170532227
2006	80.9756088256836
2007	81.5533981323242
2008	81.5533981323242
2009	81.8181838989258
2010	81.4285736083984
2011	81.5165863037109
2012	79.620849609375
2013	78.6729888916016
2014	79.3269195556641
2015	78.0952377319336
2016	78.5714263916016
2017	79.523811340332
2018	79.0476226806641
2019	76.6666641235352
2020	76.6666641235352
2021	77.1428604125977
2022	75.9433975219727