| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | currently using | 899 |
38.4%
|
| 2 | used in last 12 months | 0 |
0%
|
| 3 | ever used | 363 |
15.5%
|
| 4 | never used | 1078 |
46.1%
|