| Value | Category | Cases | |
|---|---|---|---|
| 0 | 231 |
28.7%
|
|
| 1 | 276 |
34.3%
|
|
| 2 | 204 |
25.4%
|
|
| 3 | 57 |
7.1%
|
|
| 4 | 27 |
3.4%
|
|
| 5 | 8 |
1%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 823 |