| Value | Category | Cases | |
|---|---|---|---|
| 0 | 218 |
81.3%
|
|
| 1 | 30 |
11.2%
|
|
| 2 | 15 |
5.6%
|
|
| 3 | 5 |
1.9%
|
|
| Sysmiss | 273 |