Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
0 | Never | 190 |
14.1%
|
1 | Once or twice | 1 |
0.1%
|
2 | Several times | 0 |
0%
|
3 | Many times | 3 |
0.2%
|
7 | Not applicable/Saw no problems | 863 |
63.9%
|
9 | Don't know | 293 |
21.7%
|
998 | Refused | 0 |
0%
|