| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 0 | none | 2787 |
67.6%
|
| 1 | 1311 |
31.8%
|
|
| 2 | 17 |
0.4%
|
|
| 4 | 1 |
0%
|
|
| 6 | 2 |
0%
|
|
| 9 | 1 |
0%
|
|
| 10 | 2 |
0%
|
|
| 99 | more than 99 | 0 |
0%
|