| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 3 | 1 |
0.9%
|
|
| 4 | 4 |
3.5%
|
|
| 5 | 3 |
2.6%
|
|
| 6 | 4 |
3.5%
|
|
| 7 | 12 |
10.4%
|
|
| 8 | 43 |
37.4%
|
|
| 9 | 27 |
23.5%
|
|
| 10 | Very high technical quality | 21 |
18.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 23 |