| Value | Category | Cases | |
|---|---|---|---|
| 0 | 229 |
89.1%
|
|
| 1 | 19 |
7.4%
|
|
| 2 | 8 |
3.1%
|
|
| 3 | 1 |
0.4%
|
|
| Sysmiss | 239 |