| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 4 |
2%
|
| 2 | 1 |
0.5%
|
|
| 3 | 2 |
1%
|
|
| 4 | 6 |
2.9%
|
|
| 5 | 13 |
6.3%
|
|
| 6 | 19 |
9.3%
|
|
| 7 | 50 |
24.4%
|
|
| 8 | 60 |
29.3%
|
|
| 9 | 32 |
15.6%
|
|
| 10 | Very high technical quality | 18 |
8.8%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 49 |