| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 499 |
56%
|
| 2 | By a phone call with a recorded voice | 320 |
35.9%
|
| 3 | Neither | 36 |
4%
|
| 4 | Both/Either one | 12 |
1.3%
|
| 8 | Don't know | 22 |
2.5%
|
| 9 | Refused | 2 |
0.2%
|
| Sysmiss | 109 |