| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 483 |
2.7%
|
| 2 | Seldom | 2450 |
13.6%
|
| 3 | Quite often | 8756 |
48.5%
|
| 4 | Very often | 6372 |
35.3%
|
| 7 | N/A | 372 | |
| 8 | Invalid | 8 | |
| 9 | Miss | 200 |