| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 510 |
2.8%
|
| 2 | Seldom | 3641 |
20.1%
|
| 3 | Quite often | 8940 |
49.4%
|
| 4 | Very often | 5017 |
27.7%
|
| 7 | N/A | 371 | |
| 8 | Invalid | 9 | |
| 9 | Miss | 153 |