| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 3 |
1%
|
| 2 | 6 |
2%
|
|
| 3 | 6 |
2%
|
|
| 4 | 8 |
2.6%
|
|
| 5 | 10 |
3.3%
|
|
| 6 | 26 |
8.5%
|
|
| 7 | 62 |
20.2%
|
|
| 8 | 84 |
27.4%
|
|
| 9 | 61 |
19.9%
|
|
| 10 | Very high technical quality | 41 |
13.4%
|
| 11 | Don't know | 88 | |
| Sysmiss | 26 |