| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very high quality | 388 |
13.5%
|
| 2 | Good quality | 820 |
28.5%
|
| 3 | Acceptable quality | 691 |
24%
|
| 4 | Poor quality | 169 |
5.9%
|
| 5 | Very poor quality | 405 |
14.1%
|
| 8 | Uncertain or Do not know | 403 |
14%
|
| 9 | Not available or Not applicable | 3 |
0.1%
|
| Sysmiss | 285 |