| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 2 |
0.5%
|
|
| 4 | 10 |
2.5%
|
|
| 5 | 29 |
7.1%
|
|
| 6 | 72 |
17.7%
|
|
| 7 | 105 |
25.8%
|
|
| 8 | 78 |
19.2%
|
|
| 9 | 48 |
11.8%
|
|
| 10 | Very high technical quality | 63 |
15.5%
|
| 11 | Don't know | 8 | |
| Sysmiss | 8 |