| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -8 | does not apply | 0 |
0%
|
| -7 | refused to answer | 0 |
0%
|
| 0 | none | 3891 |
94.4%
|
| 1 | 201 |
4.9%
|
|
| 2 | 15 |
0.4%
|
|
| 3 | 2 |
0%
|
|
| 4 | 2 |
0%
|
|
| 5 | 1 |
0%
|
|
| 6 | 2 |
0%
|
|
| 7 | 1 |
0%
|
|
| 10 | 5 |
0.1%
|
|
| 15 | 1 |
0%
|
|
| 99 | more than 99 | 0 |
0%
|