| Value | Category | Cases | |
|---|---|---|---|
| 0 | 447 |
92%
|
|
| 1 | 8 |
1.6%
|
|
| 2 | 9 |
1.9%
|
|
| 3 | 22 |
4.5%
|
|
| Sysmiss | 139 |