| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 3 |
3.1%
|
|
| 3 | 1 |
1%
|
|
| 4 | 1 |
1%
|
|
| 5 | 20 |
20.8%
|
|
| 6 | 15 |
15.6%
|
|
| 7 | 17 |
17.7%
|
|
| 8 | 22 |
22.9%
|
|
| 9 | 12 |
12.5%
|
|
| 10 | Very high technical quality | 5 |
5.2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 21 |