| Value | Category | Cases | |
|---|---|---|---|
| 0 | 68 |
95.8%
|
|
| 1 | 1 |
1.4%
|
|
| 2 | 1 |
1.4%
|
|
| 9 | 1 |
1.4%
|
|
| Sysmiss | 2309 |