| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 691 |
38.4%
|
| 2 | 1 | 935 |
51.9%
|
| 3 | 2 | 153 |
8.5%
|
| 4 | 3 | 22 |
1.2%
|
| Sysmiss | 74 |