| Value | Category | Cases | |
|---|---|---|---|
| 0 | 247 |
86.7%
|
|
| 1 | 33 |
11.6%
|
|
| 2 | 3 |
1.1%
|
|
| 3 | 2 |
0.7%
|
|
| Sysmiss | 2530 |