| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 501 |
52.3%
|
| 2 | By a phone call with a recorded voice | 350 |
36.5%
|
| 3 | Neither | 39 |
4.1%
|
| 4 | Both/Either one | 55 |
5.7%
|
| 8 | Don't know | 12 |
1.3%
|
| 9 | Refused | 1 |
0.1%
|
| Sysmiss | 42 |