| Value | Category | Cases | |
|---|---|---|---|
| 0 | 126 |
41%
|
|
| 1 | 98 |
31.9%
|
|
| 3 | 76 |
24.8%
|
|
| 99 | 7 |
2.3%
|
|
| Sysmiss | 197 |