| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 0 | none | 2353 |
57.1%
|
| 1 | 1414 |
34.3%
|
|
| 2 | 268 |
6.5%
|
|
| 3 | 64 |
1.6%
|
|
| 4 | 14 |
0.3%
|
|
| 5 | 4 |
0.1%
|
|
| 10 | 4 |
0.1%
|
|
| 99 | more than 99 | 0 |
0%
|