| Value | Category | Cases | |
|---|---|---|---|
| 0 | 45 |
29.6%
|
|
| 12 | 1 |
0.7%
|
|
| 30 | 100 |
65.8%
|
|
| 31 | 5 |
3.3%
|
|
| 50 | 1 |
0.7%
|
|
| Sysmiss | 57 |