| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | 2479 |
94.2%
|
|
| 1 | 144 |
5.5%
|
|
| 2 | 9 |
0.3%
|
|
| 17 | 1 |
0%
|