| Value | Category | Cases | |
|---|---|---|---|
| -95 | Refuse | 0 |
0%
|
| 1 | Never | 240 |
8.8%
|
| 2 | From time to time | 1018 |
37.2%
|
| 3 | Often | 1324 |
48.4%
|
| n | 147 |
5.4%
|
|
| r | 6 |
0.2%
|