| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 445 |
2.5%
|
| 2 | Seldom | 1828 |
10.2%
|
| 3 | Quite often | 9007 |
50.2%
|
| 4 | Very often | 6650 |
37.1%
|
| 7 | N/A | 371 | |
| 8 | Invalid | 13 | |
| 9 | Miss | 327 |