| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | 1564 |
59.4%
|
|
| 1 | 704 |
26.7%
|
|
| 2 | 256 |
9.7%
|
|
| 3 | 63 |
2.4%
|
|
| 4 | 37 |
1.4%
|
|
| 5 | 5 |
0.2%
|
|
| 6 | 2 |
0.1%
|
|
| 12 | 1 |
0%
|
|
| 18 | 1 |
0%
|