| Value | Category | Cases | |
|---|---|---|---|
| 0 | 281 |
78.5%
|
|
| 1 | 74 |
20.7%
|
|
| 2 | 2 |
0.6%
|
|
| 9 | 1 |
0.3%
|
|
| Sysmiss | 31503 |