| Value | Category | Cases | |
|---|---|---|---|
| 13 | 2 |
1.5%
|
|
| 14 | 30 |
22.9%
|
|
| 15 | 55 |
42%
|
|
| 16 | 37 |
28.2%
|
|
| 17 | 7 |
5.3%
|
|
| Sysmiss | 69 |