| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6984 |
68.1%
|
|
| 1 | 3221 |
31.4%
|
|
| 2 | 46 |
0.4%
|
|
| 3 | 3 |
0%
|
|
| 4 | 2 |
0%
|
|
| 5 | 2 |
0%
|
|
| Sysmiss | 2 |