| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very high quality | 673 |
21.5%
|
| 2 | Good quality | 1073 |
34.2%
|
| 3 | Acceptable quality | 690 |
22%
|
| 4 | Poor quality | 307 |
9.8%
|
| 5 | Very poor quality | 326 |
10.4%
|
| 8 | Uncertain or Do not know | 66 |
2.1%
|
| 9 | Not available or Not applicable | 0 |
0%
|
| Sysmiss | 29 |