| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Currently using | 1728 |
21.8%
|
| 2 | Used since last brth | 0 |
0%
|
| 3 | Used before last brt | 2090 |
26.4%
|
| 4 | Never used | 4095 |
51.8%
|