| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 5 | 6 |
6.8%
|
|
| 6 | 10 |
11.4%
|
|
| 7 | 23 |
26.1%
|
|
| 8 | 23 |
26.1%
|
|
| 9 | 9 |
10.2%
|
|
| 10 | Very high technical quality | 17 |
19.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 19 |