| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very low technical quality | 1 |
0.2%
|
| 2 | 6 |
1.1%
|
|
| 3 | 14 |
2.6%
|
|
| 4 | 22 |
4%
|
|
| 5 | 55 |
10.1%
|
|
| 6 | 118 |
21.7%
|
|
| 7 | 148 |
27.2%
|
|
| 8 | 125 |
22.9%
|
|
| 9 | 49 |
9%
|
|
| 10 | Very high technical quality | 7 |
1.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 18 |