| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 7 |
4%
|
| 2 | 1 |
0.6%
|
|
| 3 | 4 |
2.3%
|
|
| 4 | 13 |
7.4%
|
|
| 5 | 26 |
14.9%
|
|
| 6 | 29 |
16.6%
|
|
| 7 | 30 |
17.1%
|
|
| 8 | 27 |
15.4%
|
|
| 9 | 17 |
9.7%
|
|
| 10 | Very high technical quality | 21 |
12%
|
| 11 | Don’t know | 0 |
0%
|
| Sysmiss | 51 |