| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 530 |
58.4%
|
| 2 | By a phone call with a recorded voice | 270 |
29.7%
|
| 3 | Neither | 18 |
2%
|
| 4 | Both/Either one | 64 |
7%
|
| 8 | Don't know | 25 |
2.8%
|
| 9 | Refused | 1 |
0.1%
|
| Sysmiss | 98 |