| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
4.6%
|
|
| 1 | 71 |
32.4%
|
|
| 2 | 58 |
26.5%
|
|
| 3 | 43 |
19.6%
|
|
| 4 | 23 |
10.5%
|
|
| 5 | 6 |
2.7%
|
|
| 6 | 8 |
3.7%
|
|
| Sysmiss | 87 |