| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 226 |
24.4%
|
| 2 | By a phone call with a recorded voice | 518 |
56%
|
| 3 | Neither | 28 |
3%
|
| 4 | Both/Either one | 111 |
12%
|
| 8 | Don't know | 39 |
4.2%
|
| 9 | Refused | 3 |
0.3%
|
| Sysmiss | 89 |