| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 43 |
3.1%
|
| 1 | Never | 239 |
17.1%
|
| 2 | Rarely | 445 |
31.8%
|
| 3 | Frequently | 520 |
37.1%
|
| 4 | Always | 153 |
10.9%
|