| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 73 |
0.4%
|
| 2 | Seldom | 1051 |
5.8%
|
| 3 | Quite often | 7107 |
39.3%
|
| 4 | Very often | 9857 |
54.5%
|
| 7 | N/A | 371 | |
| 8 | Invalid | 6 | |
| 9 | Miss | 176 |