| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.2%
|
|
| 1 | 1089 |
94.5%
|
|
| 2 | 41 |
3.6%
|
|
| 4 | 13 |
1.1%
|
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 7 |
0.6%
|
| Sysmiss | 104 |