| Value | Category | Cases | |
|---|---|---|---|
| 0 | 286 |
69.6%
|
|
| 1 | 109 |
26.5%
|
|
| 2 | 13 |
3.2%
|
|
| 4 | 2 |
0.5%
|
|
| 8 | 1 |
0.2%
|
|
| Sysmiss | 2138 |