Pupil-teacher ratio. Secondary is the number of pupils enrolled in secondary school divided by the number of secondary school teachers.
| Data | Valor | Modificar, % |
|---|---|---|
| 1999 | 28,1 | -10,06% |
| 1997 | 31,3 | 20,07% |
| 1996 | 26,0 | -5,63% |
| 1995 | 27,6 | 20,62% |
| 1989 | 22,9 | 7,60% |
| 1988 | 21,3 | 0,22% |
| 1987 | 21,2 | -0,30% |
| 1986 | 21,3 | 19,53% |
| 1985 | 17,8 | 5,09% |
| 1984 | 16,9 | -9,70% |
| 1983 | 18,8 | -1,76% |
| 1982 | 19,1 |