| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 1 |
0.2%
|
| 2 | 3 |
0.7%
|
|
| 3 | 1 |
0.2%
|
|
| 4 | 3 |
0.7%
|
|
| 5 | 13 |
2.9%
|
|
| 6 | 28 |
6.3%
|
|
| 7 | 81 |
18.3%
|
|
| 8 | 142 |
32.1%
|
|
| 9 | 85 |
19.2%
|
|
| 10 | Very high technical quality | 24 |
5.4%
|
| 11 | Don't know | 0 |
0%
|
| NA | 62 |
14%
|