| Value | Category | Cases | |
|---|---|---|---|
| 0 | 49 |
19.6%
|
|
| 1 | 167 |
66.8%
|
|
| 2 | 30 |
12%
|
|
| 3 | 4 |
1.6%
|
|
| Sysmiss | 2697 |