| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
1.7%
|
|
| 10 | 41 |
68.3%
|
|
| 12 | 2 |
3.3%
|
|
| 13 | 11 |
18.3%
|
|
| 14 | 3 |
5%
|
|
| 15 | 2 |
3.3%
|
|
| Sysmiss | 633 |