| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annuelle | 14 |
8.5%
|
| 2 | Semestrielle | 44 |
26.8%
|
| 3 | Bi-Trimestrielle | 4 |
2.4%
|
| 4 | Trimestrielle | 92 |
56.1%
|
| 5 | Mensuelle | 10 |
6.1%
|
| Sysmiss | 16 |