| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 1 |
0.5%
|
| 4 | 5 |
2.7%
|
|
| 5 | 11 |
6%
|
|
| 6 | 46 |
25.3%
|
|
| 7 | 65 |
35.7%
|
|
| 8 | 31 |
17%
|
|
| 9 | 23 |
12.6%
|
|
| 10 | Very high technical quality | 0 |
0%
|
| 11 | Don't know | 14 | |
| Sysmiss | 7 |