| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, and they are working well | 496 |
8.8%
|
| 2 | Yes, but they are not working well (specify why) | 216 |
3.8%
|
| 3 | No, there are none | 4199 |
74.3%
|
| 4 | I don't know | 744 |
13.2%
|