| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 1 |
0.5%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 5 |
2.6%
|
|
| 6 | 9 |
4.7%
|
|
| 7 | 24 |
12.6%
|
|
| 8 | 100 |
52.6%
|
|
| 9 | 40 |
21.1%
|
|
| 10 | Very high technical quality | 10 |
5.3%
|
| 11 | Don't know | 11 | |
| Sysmiss | 1 |