| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 10 |
0.8%
|
| -1 | Don't know | 19 |
1.5%
|
| 1 | Frequently | 231 |
18.2%
|
| 2 | Occasionally | 647 |
51.1%
|
| 3 | Never | 359 |
28.4%
|