| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 565 |
58.9%
|
| 2 | By a phone call with a recorded voice | 362 |
37.7%
|
| 3 | Neither | 6 |
0.6%
|
| 4 | Both/Either one | 22 |
2.3%
|
| 8 | Don't know | 2 |
0.2%
|
| 9 | Refused | 3 |
0.3%
|
| Sysmiss | 40 |