| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 3 |
0.7%
|
| 2 | 11 |
2.7%
|
|
| 3 | 15 |
3.7%
|
|
| 4 | 31 |
7.6%
|
|
| 5 | 54 |
13.3%
|
|
| 6 | 43 |
10.6%
|
|
| 7 | 63 |
15.5%
|
|
| 8 | 87 |
21.4%
|
|
| 9 | 54 |
13.3%
|
|
| 10 | Very high technical quality | 45 |
11.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 69 |