Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
0 | Never | 86 |
7.2%
|
1 | Once or twice | 218 |
18.2%
|
2 | Several times | 195 |
16.3%
|
3 | Many times | 62 |
5.2%
|
7 | Not applicable/Saw no problems | 638 |
53.2%
|
9 | Don't know | 1 |
0.1%
|
998 | Refused | 0 |
0%
|