| Value | Category | Cases | |
|---|---|---|---|
| 0 | 187 |
8.7%
|
|
| 1 | 251 |
11.6%
|
|
| 2 | 753 |
34.9%
|
|
| 3 | 358 |
16.6%
|
|
| 4 | 470 |
21.8%
|
|
| 5 | 137 |
6.4%
|
|
| Sysmiss | 7 |