| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 36 |
0.3%
|
| 1 | 1496 |
10.7%
|
|
| 2 | 1433 |
10.3%
|
|
| 3 | 1017 |
7.3%
|
|
| 4 | 722 |
5.2%
|
|
| 5 | 523 |
3.7%
|
|
| 6 | 370 |
2.7%
|
|
| 7 | 144 |
1%
|
|
| 8 | 192 |
1.4%
|
|
| 9 | 40 |
0.3%
|
|
| 10 | 418 |
3%
|
|
| 11 | 30 |
0.2%
|
|
| 12 | 184 |
1.3%
|
|
| 13 | 8 |
0.1%
|
|
| 14 | 17 |
0.1%
|
|
| 15 | 108 |
0.8%
|
|
| 16 | 15 |
0.1%
|
|
| 17 | 10 |
0.1%
|
|
| 18 | 14 |
0.1%
|
|
| 20 | 132 |
0.9%
|
|
| 21 | 6 |
0%
|
|
| 22 | 2 |
0%
|
|
| 23 | 1 |
0%
|
|
| 24 | 13 |
0.1%
|
|
| 25 | 12 |
0.1%
|
|
| 26 | 4 |
0%
|
|
| 27 | 3 |
0%
|
|
| 28 | 4 |
0%
|
|
| 30 | 37 |
0.3%
|
|
| 31 | 1 |
0%
|
|
| 32 | 4 |
0%
|
|
| 33 | 1 |
0%
|
|
| 34 | 1 |
0%
|
|
| 35 | 4 |
0%
|
|
| 36 | 4 |
0%
|
|
| 40 | 14 |
0.1%
|
|
| 45 | 1 |
0%
|
|
| 46 | 1 |
0%
|
|
| 47 | 1 |
0%
|
|
| 48 | 2 |
0%
|
|
| 50 | 21 |
0.2%
|
|
| 52 | 10 |
0.1%
|
|
| 55 | 1 |
0%
|
|
| 56 | 3 |
0%
|
|
| 60 | 5 |
0%
|
|
| 64 | 1 |
0%
|
|
| 65 | 1 |
0%
|
|
| 70 | 1 |
0%
|
|
| 72 | 1 |
0%
|
|
| 102 | 1 |
0%
|
|
| 104 | 1 |
0%
|
|
| 110 | 1 |
0%
|
|
| 120 | 1 |
0%
|
|
| 144 | 1 |
0%
|
|
| 200 | 2 |
0%
|
|
| 276 | 1 |
0%
|
|
| 365 | 1 |
0%
|
|
| 910 | 1 |
0%
|
|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 6785 |
48.6%
|
| -2 | no answer | 9 |
0.1%
|
| -1 | does not know | 77 |
0.6%
|