| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 19 |
5.7%
|
| 2 | 2 |
0.6%
|
|
| 3 | 11 |
3.3%
|
|
| 4 | 14 |
4.2%
|
|
| 5 | 39 |
11.6%
|
|
| 6 | 41 |
12.2%
|
|
| 7 | 53 |
15.8%
|
|
| 8 | 54 |
16.1%
|
|
| 9 | 47 |
14%
|
|
| 10 | Very high technical quality | 56 |
16.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 169 |