| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 15 |
1.3%
|
| -1 | Don't know | 16 |
1.3%
|
| 1 | Always | 533 |
44.4%
|
| 2 | Usually | 213 |
17.8%
|
| 3 | Never | 423 |
35.3%
|