| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 35 |
0.6%
|
| -8 | Refused | 6 |
0.1%
|
| -7 | Don't know exact number, but at least 1 | 32 |
0.5%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 0 | 3871 |
66%
|
|
| 1 | 1300 |
22.2%
|
|
| 2 | 438 |
7.5%
|
|
| 3 | 131 |
2.2%
|
|
| 4 | 37 |
0.6%
|
|
| 5 | 9 |
0.2%
|
|
| 6 | 2 |
0%
|
|
| 7 | 1 |
0%
|
|
| Sysmiss | 2189 |