| Value | Category | Cases | |
|---|---|---|---|
| 11 | 12 |
2.7%
|
|
| 12 | 71 |
16.1%
|
|
| 13 | 130 |
29.5%
|
|
| 14 | 6 |
1.4%
|
|
| 15 | 3 |
0.7%
|
|
| 16 | 164 |
37.2%
|
|
| 17 | 52 |
11.8%
|
|
| 18 | 2 |
0.5%
|
|
| 20 | 1 |
0.2%
|
|
| Sysmiss | 32 |