| Value | Category | Cases | |
|---|---|---|---|
| -9 | Break off | 8 |
0.7%
|
| -7 | Legal skip | 0 |
0%
|
| -3 | Interviewer error | 0 |
0%
|
| -2 | Refuse to answer | 2 |
0.2%
|
| -1 | Don't know | 207 |
18.9%
|
| 1 | Several times a day | 7 |
0.6%
|
| 2 | Daily | 74 |
6.8%
|
| 3 | A few times a week | 140 |
12.8%
|
| 4 | Once | 283 |
25.8%
|
| 5 | Never | 374 |
34.2%
|