| Frequency | Percentage | |
Gender | Girls | 68 | 46,6 |
Boys | 78 | 53,4 | |
Age | ≤17 years | 88 | 60.3 |
>17 years | 58 | 39.7 | |
Level of education | 1st year of HS | 42 | 28.8 |
2nd year of HS | 58 | 39.7 | |
3th year of HS | 46 | 31.5 | |
Stream | Scientist | 79 | 45.9 |
Literary | 67 | 54.1 |