| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 3 |
0.9%
|
| 2 | 4 |
1.2%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 15 |
4.7%
|
|
| 5 | 50 |
15.6%
|
|
| 6 | 60 |
18.7%
|
|
| 7 | 79 |
24.6%
|
|
| 8 | 36 |
11.2%
|
|
| 9 | 35 |
10.9%
|
|
| 10 | Very high technical quality | 37 |
11.5%
|
| 11 | Don't know | 38 | |
| Sysmiss | 37 |