| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 2 |
1.6%
|
| 3 | 2 |
1.6%
|
|
| 4 | 1 |
0.8%
|
|
| 5 | 2 |
1.6%
|
|
| 6 | 4 |
3.1%
|
|
| 7 | 14 |
11%
|
|
| 8 | 33 |
26%
|
|
| 9 | 44 |
34.6%
|
|
| 10 | Very high technical quality | 25 |
19.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 37 |