Primary school pupil-teacher ratio is the number of pupils enrolled in primary school divided by the number of primary school teachers (regardless of their teaching assignment).
| Fecha | Valor | Cambiar , % |
|---|---|---|
| 2008 | 17,2 | 5,31 % |
| 2007 | 16,4 | -4,80 % |
| 2006 | 17,2 | -1,48 % |
| 2005 | 17,4 | -2,83 % |
| 2004 | 18,0 | 2,02 % |
| 2002 | 17,6 | -2,41 % |
| 2001 | 18,0 | -10,08 % |
| 2000 | 20,1 | -7,93 % |
| 1999 | 21,8 | 9,29 % |
| 1998 | 19,9 | 19,55 % |
| 1997 | 16,7 | -0,39 % |
| 1996 | 16,7 |