| Value | Category | Cases | |
|---|---|---|---|
| 0 | 551 |
69.7%
|
|
| 1 | 193 |
24.4%
|
|
| 2 | 26 |
3.3%
|
|
| 3 | 20 |
2.5%
|
|
| Sysmiss | 905 |