| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 2836 |
19%
|
| 1 | 2003 |
13.4%
|
|
| 2 | 2007 |
13.4%
|
|
| 3 | 1149 |
7.7%
|
|
| 4 | 650 |
4.3%
|
|
| 5 | 644 |
4.3%
|
|
| 6 | 294 |
2%
|
|
| 7 | 231 |
1.5%
|
|
| 8 | 152 |
1%
|
|
| 9 | 27 |
0.2%
|
|
| 10 | always | 44 |
0.3%
|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 4917 |
32.9%
|
| -2 | no answer | 3 |
0%
|
| -1 | does not know | 4 |
0%
|