| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 0 | none | 626 |
82.8%
|
| 1 | 118 |
15.6%
|
|
| 2 | 9 |
1.2%
|
|
| 3 | 1 |
0.1%
|
|
| 4 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|