Pupil-teacher ratio. Secondary is the number of pupils enrolled in secondary school divided by the number of secondary school teachers.
| Data | Valor | Modificar, % |
|---|---|---|
| 2015 | 11,2 | -45,59% |
| 2013 | 20,7 | -4,72% |
| 2012 | 21,7 | 5,71% |
| 2011 | 20,5 | -22,99% |
| 2001 | 26,6 | 55,16% |
| 1991 | 17,2 | -8,01% |
| 1990 | 18,7 | -4,29% |
| 1989 | 19,5 | 0,61% |
| 1988 | 19,4 | -38,50% |
| 1986 | 31,5 | 53,62% |
| 1985 | 20,5 | 0,00% |
| 1984 | 20,5 |