| Value | Category | Cases | |
|---|---|---|---|
| 0 | 409 |
43.1%
|
|
| 1 | 281 |
29.6%
|
|
| 2 | 175 |
18.4%
|
|
| 3 | 73 |
7.7%
|
|
| 4 | 11 |
1.2%
|
|
| Sysmiss | 51 |