Pupil-teacher ratio. Pre-primary is the number of pupils enrolled in pre-primary divided by the number of pre-primary school teachers.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2015 | 23,4 | 24,45 % |
| 2014 | 18,8 | 19,25 % |
| 2013 | 15,7 | -6,23 % |
| 2012 | 16,8 | -5,53 % |
| 2011 | 17,8 | -4,12 % |
| 2010 | 18,5 | 2,02 % |
| 2009 | 18,2 | -12,63 % |
| 2007 | 20,8 | 13,60 % |
| 2006 | 18,3 | -1,94 % |
| 2005 | 18,7 | 0,92 % |
| 2004 | 18,5 | -4,17 % |
| 2003 | 19,3 |