| Value | Category | Cases | |
|---|---|---|---|
| 1 | Annuelle | 46 |
42.2%
|
| 2 | Semestrielle | 41 |
37.6%
|
| 3 | Bi-Trimestrielle | 1 |
0.9%
|
| 4 | Trimestrielle | 20 |
18.3%
|
| 5 | Mensuelle | 1 |
0.9%
|
| Sysmiss | 71 |