| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 3 | 2 |
2.2%
|
|
| 4 | 1 |
1.1%
|
|
| 5 | 4 |
4.4%
|
|
| 6 | 6 |
6.6%
|
|
| 7 | 20 |
22%
|
|
| 8 | 19 |
20.9%
|
|
| 9 | 18 |
19.8%
|
|
| 10 | Very high technical quality | 21 |
23.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 38 |