| Variable | Effectives | Percentage |
| Age (years) | ||
| ≤40 | 22 | 27.5 |
| ]40 - 60] | 39 | 48.8 |
| ]60 - 75] | 16 | 20 |
| >75 | 03 | 3.8 |
| Total | 80 | 100 |
| Gender | ||
| Male | 26 | 32.5 |
| Female | 54 | 67.5 |
| Total | 80 | 100 |