Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 1 |
0.1%
|
0 | Never | 353 |
32%
|
1 | Once or twice | 182 |
16.5%
|
2 | Several times | 116 |
10.5%
|
3 | Many times | 28 |
2.5%
|
7 | Not applicable/Saw no problems | 418 |
37.9%
|
9 | Don't know | 6 |
0.5%
|
998 | Refused | 0 |
0%
|