| Value | Category | Cases | |
|---|---|---|---|
| 0 | 118 |
14.6%
|
|
| 1 | 62 |
7.7%
|
|
| 2 | 103 |
12.8%
|
|
| 3 | 263 |
32.6%
|
|
| 4 | 260 |
32.3%
|
|
| Sysmiss | 889 |