| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.4%
|
|
| 1 | 129 |
52.2%
|
|
| 2 | 85 |
34.4%
|
|
| 3 | 20 |
8.1%
|
|
| 4 | 11 |
4.5%
|
|
| 8 | 1 |
0.4%
|
|
| Sysmiss | 2586 |