| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 21 |
10.6%
|
| 2 | 1 |
0.5%
|
|
| 3 | 9 |
4.5%
|
|
| 4 | 10 |
5%
|
|
| 5 | 23 |
11.6%
|
|
| 6 | 16 |
8%
|
|
| 7 | 38 |
19.1%
|
|
| 8 | 32 |
16.1%
|
|
| 9 | 16 |
8%
|
|
| 10 | Very high technical quality | 33 |
16.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 58 |