| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 2 |
0.6%
|
| 3 | 5 |
1.5%
|
|
| 4 | 11 |
3.2%
|
|
| 5 | 28 |
8.2%
|
|
| 6 | 42 |
12.3%
|
|
| 7 | 61 |
17.8%
|
|
| 8 | 57 |
16.7%
|
|
| 9 | 38 |
11.1%
|
|
| 10 | Very high technical quality | 19 |
5.6%
|
| 11 | Don't know | 79 |
23.1%
|
| Sysmiss | 26 |