| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 4 | 1 |
1.2%
|
|
| 5 | 3 |
3.6%
|
|
| 6 | 5 |
6%
|
|
| 7 | 15 |
18.1%
|
|
| 8 | 28 |
33.7%
|
|
| 9 | 19 |
22.9%
|
|
| 10 | Very high technical quality | 12 |
14.5%
|
| 11 | Don't know | 14 | |
| Sysmiss | 12 |