| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1260 |
1.7%
|
| 2 | Sometimes | 3269 |
4.5%
|
| 3 | Often | 1823 |
2.5%
|
| 4 | Every day | 3599 |
5%
|
| 8 | Not applicable | 62256 |
85.7%
|
| 9 | Unspecified | 395 |
0.5%
|