| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 2 |
3.4%
|
|
| 3 | 2 |
3.4%
|
|
| 4 | 2 |
3.4%
|
|
| 5 | 6 |
10.2%
|
|
| 6 | 6 |
10.2%
|
|
| 7 | 12 |
20.3%
|
|
| 8 | 15 |
25.4%
|
|
| 9 | 5 |
8.5%
|
|
| 10 | Very high technical quality | 9 |
15.3%
|
| 11 | Don’t know | 0 |
0%
|
| Sysmiss | 24 |