| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
20.8%
|
|
| 1 | 19 |
19.8%
|
|
| 2 | 32 |
33.3%
|
|
| 3 | 16 |
16.7%
|
|
| 4 | 2 |
2.1%
|
|
| 5 | 3 |
3.1%
|
|
| 6 | 4 |
4.2%
|
|
| Sysmiss | 2300 |