| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1381 |
62.7%
|
|
| 1 | 394 |
17.9%
|
|
| 2 | 182 |
8.3%
|
|
| 3 | 215 |
9.8%
|
|
| 8 | 30 |
1.4%
|
|
| Sysmiss | 48 |