Value | Category | Cases | |
---|---|---|---|
1 | Never | 870 |
36.3%
|
2 | Once or twice | 126 |
5.3%
|
3 | Several times | 74 |
3.1%
|
4 | Many times | 30 |
1.3%
|
5 | Not Applicable/Saw no problems | 1290 |
53.8%
|
9 | Don't know | 9 |
0.4%
|