| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
0.6%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Every day | 5 |
2.8%
|
| 2 | Several times a week | 13 |
7.3%
|
| 3 | Several times a month | 67 |
37.4%
|
| 4 | Several times a year | 73 |
40.8%
|
| 5 | Never | 20 |
11.2%
|
| Sysmiss | 820 |