| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 6 |
0.5%
|
| -1 | Don't know | 70 |
5.8%
|
| 1 | Never | 137 |
11.4%
|
| 2 | Rarely | 315 |
26.3%
|
| 3 | Frequently | 479 |
39.9%
|
| 4 | Always | 193 |
16.1%
|