| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
6.3%
|
|
| 1 | 128 |
62.4%
|
|
| 2 | 48 |
23.4%
|
|
| 3 | 11 |
5.4%
|
|
| 4 | 4 |
2%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 4 |