| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 55 |
1%
|
| -8 | Refused | 2 |
0%
|
| -7 | Don't know exact number, but at least 1 | 6 |
0.1%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 0 | 3603 |
64%
|
|
| 1 | 1363 |
24.2%
|
|
| 2 | 423 |
7.5%
|
|
| 3 | 122 |
2.2%
|
|
| 4 | 40 |
0.7%
|
|
| 5 | 13 |
0.2%
|
|
| 6 | 2 |
0%
|
|
| Sysmiss | 2436 |