| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 11 |
0.1%
|
| 1 | 1778 |
11.9%
|
|
| 2 | 1572 |
10.5%
|
|
| 3 | 1115 |
7.5%
|
|
| 4 | 768 |
5.1%
|
|
| 5 | 530 |
3.5%
|
|
| 6 | 398 |
2.7%
|
|
| 7 | 127 |
0.8%
|
|
| 8 | 186 |
1.2%
|
|
| 9 | 26 |
0.2%
|
|
| 10 | 414 |
2.8%
|
|
| 11 | 24 |
0.2%
|
|
| 12 | 197 |
1.3%
|
|
| 13 | 12 |
0.1%
|
|
| 14 | 24 |
0.2%
|
|
| 15 | 112 |
0.7%
|
|
| 16 | 12 |
0.1%
|
|
| 17 | 3 |
0%
|
|
| 18 | 5 |
0%
|
|
| 20 | 127 |
0.8%
|
|
| 22 | 4 |
0%
|
|
| 23 | 4 |
0%
|
|
| 24 | 21 |
0.1%
|
|
| 25 | 16 |
0.1%
|
|
| 26 | 2 |
0%
|
|
| 27 | 2 |
0%
|
|
| 28 | 2 |
0%
|
|
| 30 | 30 |
0.2%
|
|
| 33 | 1 |
0%
|
|
| 35 | 3 |
0%
|
|
| 36 | 5 |
0%
|
|
| 37 | 1 |
0%
|
|
| 39 | 1 |
0%
|
|
| 40 | 23 |
0.2%
|
|
| 42 | 1 |
0%
|
|
| 45 | 3 |
0%
|
|
| 48 | 6 |
0%
|
|
| 50 | 14 |
0.1%
|
|
| 51 | 2 |
0%
|
|
| 52 | 10 |
0.1%
|
|
| 53 | 1 |
0%
|
|
| 54 | 1 |
0%
|
|
| 60 | 7 |
0%
|
|
| 64 | 1 |
0%
|
|
| 70 | 2 |
0%
|
|
| 80 | 3 |
0%
|
|
| 90 | 1 |
0%
|
|
| 100 | 5 |
0%
|
|
| 110 | 1 |
0%
|
|
| 118 | 1 |
0%
|
|
| 130 | 1 |
0%
|
|
| 154 | 1 |
0%
|
|
| 365 | 1 |
0%
|
|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 7258 |
48.5%
|
| -2 | no answer | 7 |
0%
|
| -1 | does not know | 78 |
0.5%
|