| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 0 |
0%
|
| 2 | no | 0 |
0%
|
| 8 | 1 |
3.2%
|
|
| 12 | 1 |
3.2%
|
|
| 15 | 3 |
9.7%
|
|
| 18 | 1 |
3.2%
|
|
| 19 | 19 |
61.3%
|
|
| 20 | 3 |
9.7%
|
|
| 21 | 3 |
9.7%
|
|
| Sysmiss | 359 |