| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 7 |
0.5%
|
| -1 | Don't know | 218 |
16.1%
|
| 1 | Never | 395 |
29.2%
|
| 2 | Rarely | 601 |
44.4%
|
| 3 | Frequently | 116 |
8.6%
|
| 4 | Always | 16 |
1.2%
|