| Value | Category | Cases | |
|---|---|---|---|
| 0 | 323 |
89.7%
|
|
| 1 | 24 |
6.7%
|
|
| 2 | 8 |
2.2%
|
|
| 3 | 4 |
1.1%
|
|
| 6 | 1 |
0.3%
|
|
| Sysmiss | 1248 |