| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 178 |
29.5%
|
| 2 | By a phone call with a recorded voice | 392 |
65%
|
| 3 | Neither | 8 |
1.3%
|
| 4 | Both/Either one | 16 |
2.7%
|
| 8 | Don't know | 9 |
1.5%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 397 |