| Value | Category | Cases | |
|---|---|---|---|
| 0 | 492 |
67.3%
|
|
| 1 | 225 |
30.8%
|
|
| 2 | 13 |
1.8%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 2193 |