| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 3 | By phone | 4 |
1.3%
|
| 4 | By mail | 46 |
14.5%
|
| 5 | By internet | 226 |
71.3%
|
| 6 | By other means (tapes, sms...) | 41 |
12.9%
|
| Sysmiss | 15295 |