| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mensuel | 0 |
0%
|
| 2 | Trimestrielle | 10 |
5.6%
|
| 3 | Bi-Trimestriel | 2 |
1.1%
|
| 4 | Semestrielle | 8 |
4.5%
|
| 5 | Annuel | 22 |
12.3%
|
| 6 | Jamais | 137 |
76.5%
|
| Sysmiss | 1 |