Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 0 |
0%
|
0 | Never | 121 |
10.1%
|
1 | Once or twice | 15 |
1.3%
|
2 | Several times | 24 |
2%
|
3 | Many times | 11 |
0.9%
|
7 | Not applicable/Saw no problems | 966 |
80.5%
|
9 | Don't know | 63 |
5.3%
|
998 | Refused | 0 |
0%
|