| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
3%
|
|
| 1 | 17 |
51.5%
|
|
| 2 | 7 |
21.2%
|
|
| 3 | 5 |
15.2%
|
|
| 4 | 2 |
6.1%
|
|
| 9 | 1 |
3%
|
|
| Sysmiss | 197 |