| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.3%
|
|
| 1 | 1093 |
94.9%
|
|
| 2 | 42 |
3.6%
|
|
| 4 | 13 |
1.1%
|
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 1 |
0.1%
|
| Sysmiss | 104 |