| Value | Category | Cases | |
|---|---|---|---|
| 0 | 391 |
88.5%
|
|
| 1 | 37 |
8.4%
|
|
| 2 | 11 |
2.5%
|
|
| 3 | 1 |
0.2%
|
|
| 4 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 1252 |