| Value | Category | Cases | |
|---|---|---|---|
| 14 | 39 |
1.2%
|
|
| 15 | 530 |
16.7%
|
|
| 16 | 146 |
4.6%
|
|
| 17 | 2251 |
70.9%
|
|
| 18 | 189 |
6%
|
|
| 20 | 20 |
0.6%
|
|
| Sysmiss | 3 |