| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 12 |
3.7%
|
| 2 | 9 |
2.8%
|
|
| 3 | 7 |
2.1%
|
|
| 4 | 20 |
6.1%
|
|
| 5 | 45 |
13.8%
|
|
| 6 | 34 |
10.4%
|
|
| 7 | 46 |
14.1%
|
|
| 8 | 50 |
15.3%
|
|
| 9 | 36 |
11%
|
|
| 10 | Very high technical quality | 68 |
20.8%
|
| 11 | Don't know | 94 | |
| Sysmiss | 9 |