| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 67 |
0.4%
|
| 2 | Seldom | 633 |
3.5%
|
| 3 | Quite often | 6951 |
38.4%
|
| 4 | Very often | 10446 |
57.7%
|
| 7 | N/A | 372 | |
| 8 | Invalid | 15 | |
| 9 | Miss | 157 |