| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 558 |
66.9%
|
| 2 | By a phone call with a recorded voice | 200 |
24%
|
| 3 | Neither | 21 |
2.5%
|
| 4 | Both/Either one | 31 |
3.7%
|
| 8 | Don't know | 24 |
2.9%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 166 |