| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 479 |
97%
|
| 1 | Sometimes | 12 |
2.4%
|
| 2 | Often | 1 |
0.2%
|
| 996 | Refuse to answer | 2 |
0.4%
|
| 999 | Don't know | 0 |
0%
|