| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 0 |
0%
|
| 2 | no | 0 |
0%
|
| 3 | 1 |
1.7%
|
|
| 13 | 1 |
1.7%
|
|
| 15 | 2 |
3.3%
|
|
| 16 | 1 |
1.7%
|
|
| 18 | 4 |
6.7%
|
|
| 19 | 9 |
15%
|
|
| 20 | 13 |
21.7%
|
|
| 21 | 4 |
6.7%
|
|
| 23 | 25 |
41.7%
|
|
| Sysmiss | 330 |