| Value | Category | Cases | |
|---|---|---|---|
| 0 | 235 |
84.8%
|
|
| 1 | 33 |
11.9%
|
|
| 2 | 8 |
2.9%
|
|
| 3 | 1 |
0.4%
|
|
| Sysmiss | 440 |