| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 0 |
0%
|
| 2 | 3 |
1.7%
|
|
| 3 | 4 |
2.3%
|
|
| 4 | 6 |
3.4%
|
|
| 5 | 8 |
4.5%
|
|
| 6 | 8 |
4.5%
|
|
| 7 | 24 |
13.6%
|
|
| 8 | 30 |
16.9%
|
|
| 9 | 19 |
10.7%
|
|
| 10 | Very high technical quality | 26 |
14.7%
|
| 11 | Don't know | 0 |
0%
|
| NA | 49 |
27.7%
|