| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Currently using | 95 |
12.8%
|
| 2 | Used since last brth | 0 |
0%
|
| 3 | Used before last brt | 101 |
13.6%
|
| 4 | Never used | 546 |
73.6%
|