| Value | Category | Cases | |
|---|---|---|---|
| 1 | 31 |
3.3%
|
|
| 2 | 121 |
12.8%
|
|
| 3 | 167 |
17.7%
|
|
| 4 | 623 |
66.1%
|
|
| Sysmiss | 2 |