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).
| Data | Valor | Modificar, % |
|---|---|---|
| 2011 | 42,5 | -6,68% |
| 2010 | 45,6 | 11,15% |
| 2007 | 41,0 | -1,77% |
| 1998 | 41,8 | 53,61% |
| 1992 | 27,2 | -14,73% |
| 1991 | 31,9 | -4,62% |
| 1989 | 33,4 | 2,59% |
| 1988 | 32,6 | -2,46% |
| 1987 | 33,4 | 6,80% |
| 1986 | 31,3 | 4,88% |
| 1985 | 29,8 | -6,15% |
| 1984 | 31,8 |