| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 4 | 4 |
4.1%
|
|
| 5 | 4 |
4.1%
|
|
| 6 | 14 |
14.4%
|
|
| 7 | 23 |
23.7%
|
|
| 8 | 24 |
24.7%
|
|
| 9 | 13 |
13.4%
|
|
| 10 | Very high technical quality | 15 |
15.5%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 16 |