Pupil-teacher ratio. Secondary is the number of pupils enrolled in secondary school divided by the number of secondary school teachers.
| Date | Valeur | Modifier , % |
|---|---|---|
| 2015 | 14,0 | -2,84 % |
| 2014 | 14,4 | 2,79 % |
| 2013 | 14,0 | -6,38 % |
| 2011 | 14,9 | -3,78 % |
| 2010 | 15,5 | -1,95 % |
| 2009 | 15,8 | 1,12 % |
| 2008 | 15,6 | -12,69 % |
| 2007 | 17,9 | 0,67 % |
| 2006 | 17,8 | -5,11 % |
| 2002 | 18,8 | -4,19 % |
| 2001 | 19,6 | 3,88 % |
| 2000 | 18,8 |