| Value | Category | Cases | |
|---|---|---|---|
| 0 | 861 |
47.8%
|
|
| 1 | 711 |
39.5%
|
|
| 2 | 179 |
9.9%
|
|
| 3 | 27 |
1.5%
|
|
| 4 | 23 |
1.3%
|
|
| Sysmiss | 74 |