| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 1 |
0.9%
|
|
| 3 | 2 |
1.7%
|
|
| 4 | 2 |
1.7%
|
|
| 5 | 8 |
6.9%
|
|
| 6 | 9 |
7.8%
|
|
| 7 | 22 |
19%
|
|
| 8 | 37 |
31.9%
|
|
| 9 | 22 |
19%
|
|
| 10 | Very high technical quality | 13 |
11.2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 28 |