| Value | Category | Cases | |
|---|---|---|---|
| 0 | 126 |
41.2%
|
|
| 1 | 122 |
39.9%
|
|
| 2 | 24 |
7.8%
|
|
| 3 | 18 |
5.9%
|
|
| 4 | 11 |
3.6%
|
|
| 6 | 4 |
1.3%
|
|
| 7 | 1 |
0.3%
|
|
| Sysmiss | 4 |