| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 2952 |
4.1%
|
| 2 | Sometimes | 2254 |
3.1%
|
| 3 | Often | 1431 |
2%
|
| 4 | Every day | 3327 |
4.6%
|
| 8 | Not applicable | 62256 |
85.7%
|
| 9 | Unspecified | 382 |
0.5%
|