| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.9%
|
|
| 1 | 12 |
34.3%
|
|
| 2 | 18 |
51.4%
|
|
| 3 | 1 |
2.9%
|
|
| 4 | 1 |
2.9%
|
|
| 8 | 2 |
5.7%
|
|
| Sysmiss | 2802 |