| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 2 |
1%
|
|
| 3 | 1 |
0.5%
|
|
| 4 | 7 |
3.4%
|
|
| 5 | 23 |
11.1%
|
|
| 6 | 21 |
10.1%
|
|
| 7 | 50 |
24%
|
|
| 8 | 37 |
17.8%
|
|
| 9 | 40 |
19.2%
|
|
| 10 | Very high technical quality | 27 |
13%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 42 |