| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 631 |
67.6%
|
| 2 | By a phone call with a recorded voice | 147 |
15.8%
|
| 3 | Neither | 29 |
3.1%
|
| 4 | Both/Either one | 97 |
10.4%
|
| 8 | Don't know | 24 |
2.6%
|
| 9 | Refused | 5 |
0.5%
|
| Sysmiss | 118 |