| Value | Category | Cases | |
|---|---|---|---|
| 0 | 117 |
17.6%
|
|
| 1 | 164 |
24.7%
|
|
| 2 | 201 |
30.3%
|
|
| 3 | 96 |
14.5%
|
|
| 4 | 34 |
5.1%
|
|
| 5 | 22 |
3.3%
|
|
| 6 | 11 |
1.7%
|
|
| 7 | 18 |
2.7%
|
|
| Sysmiss | 1 |