| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 87 |
0.5%
|
| 2 | Seldom | 1775 |
9.8%
|
| 3 | Quite often | 8684 |
47.9%
|
| 4 | Very often | 7570 |
41.8%
|
| 7 | N/A | 372 | |
| 8 | Invalid | 14 | |
| 9 | Miss | 139 |