| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 1 |
0.8%
|
|
| 3 | 3 |
2.3%
|
|
| 4 | 3 |
2.3%
|
|
| 5 | 6 |
4.7%
|
|
| 6 | 5 |
3.9%
|
|
| 7 | 16 |
12.5%
|
|
| 8 | 41 |
32%
|
|
| 9 | 38 |
29.7%
|
|
| 10 | Very high technical quality | 15 |
11.7%
|
| 11 | Don't know | 8 | |
| Sysmiss | 2 |