| Value | Category | Cases | |
|---|---|---|---|
| 1 | By SMS or text message | 385 |
42.7%
|
| 2 | By a phone call with a recorded voice | 278 |
30.8%
|
| 3 | Neither | 19 |
2.1%
|
| 4 | Both/Either one | 206 |
22.8%
|
| 8 | Don't know | 13 |
1.4%
|
| 9 | Refused | 1 |
0.1%
|
| Sysmiss | 98 |