| Value | Category | Cases | |
|---|---|---|---|
| 0 | 261 |
87.3%
|
|
| 1 | 31 |
10.4%
|
|
| 2 | 2 |
0.7%
|
|
| 3 | 4 |
1.3%
|
|
| 4 | 1 |
0.3%
|
|
| Sysmiss | 862 |