| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.1%
|
|
| 5 | 13 |
1.1%
|
|
| 6 | 58 |
5.1%
|
|
| 7 | 131 |
11.5%
|
|
| 8 | 210 |
18.4%
|
|
| 9 | 341 |
29.9%
|
|
| 10 | 264 |
23.2%
|
|
| 11 | 121 |
10.6%
|
|
| Sysmiss | 462 |