| Value | Category | Cases | |
|---|---|---|---|
| 0 | 272 |
87.2%
|
|
| 1 | 23 |
7.4%
|
|
| 2 | 11 |
3.5%
|
|
| 3 | 3 |
1%
|
|
| 4 | 3 |
1%
|
|
| Sysmiss | 271 |