| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
4.9%
|
|
| 1 | 275 |
58.6%
|
|
| 2 | 122 |
26%
|
|
| 3 | 2 |
0.4%
|
|
| 4 | 47 |
10%
|
|
| Sysmiss | 1531 |