| Value | Category | Cases | |
|---|---|---|---|
| 0 | 156 |
47.6%
|
|
| 1 | 156 |
47.6%
|
|
| 2 | 12 |
3.7%
|
|
| 3 | 4 |
1.2%
|
|
| Sysmiss | 6900 |