| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 4 |
0.2%
|
| 0 | 2397 |
91%
|
|
| 1 | 74 |
2.8%
|
|
| 2 | 50 |
1.9%
|
|
| 3 | 23 |
0.9%
|
|
| 4 | 16 |
0.6%
|
|
| 5 | 17 |
0.6%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 1 |
0%
|
|
| 8 | 4 |
0.2%
|
|
| 10 | 18 |
0.7%
|
|
| 13 | 1 |
0%
|
|
| 15 | 2 |
0.1%
|
|
| 20 | 10 |
0.4%
|
|
| 25 | 2 |
0.1%
|
|
| 26 | 1 |
0%
|
|
| 30 | 5 |
0.2%
|
|
| 33 | 1 |
0%
|
|
| 35 | 1 |
0%
|
|
| 50 | 4 |
0.2%
|