| Value | Category | Cases | |
|---|---|---|---|
| 1 | 37 |
29.6%
|
|
| 2 | 6 |
4.8%
|
|
| 16 | 70 |
56%
|
|
| 17 | 11 |
8.8%
|
|
| 18 | 1 |
0.8%
|
|
| Sysmiss | 880 |