| Value | Category | Cases | |
|---|---|---|---|
| 0 | 269 |
79.6%
|
|
| 1 | 23 |
6.8%
|
|
| 2 | 31 |
9.2%
|
|
| 3 | 12 |
3.6%
|
|
| 4 | 3 |
0.9%
|
|
| Sysmiss | 245 |