| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 1 |
0.8%
|
|
| 3 | 1 |
0.8%
|
|
| 4 | 2 |
1.6%
|
|
| 5 | 7 |
5.7%
|
|
| 6 | 10 |
8.1%
|
|
| 7 | 26 |
21.1%
|
|
| 8 | 43 |
35%
|
|
| 9 | 22 |
17.9%
|
|
| 10 | Very high technical quality | 11 |
8.9%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 39 |