| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 6 |
2.3%
|
| 2 | 25 |
9.4%
|
|
| 3 | 39 |
14.7%
|
|
| 4 | 34 |
12.8%
|
|
| 5 | 32 |
12.1%
|
|
| 6 | 37 |
14%
|
|
| 7 | 33 |
12.5%
|
|
| 8 | 31 |
11.7%
|
|
| 9 | 15 |
5.7%
|
|
| 10 | Very high technical quality | 13 |
4.9%
|
| 11 | Don't know | 30 | |
| Sysmiss | 8 |