| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 317 |
38.5%
|
| 2 | By a phone call with a recorded voice | 469 |
57%
|
| 3 | Neither | 4 |
0.5%
|
| 4 | Both/Either one | 31 |
3.8%
|
| 8 | Don't know | 2 |
0.2%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 177 |