| Value | Category | Cases | |
|---|---|---|---|
| 0 | never | 683 |
4.6%
|
| 1 | 112 |
0.7%
|
|
| 2 | 258 |
1.7%
|
|
| 3 | 239 |
1.6%
|
|
| 4 | 109 |
0.7%
|
|
| 5 | 201 |
1.3%
|
|
| 6 | 22 |
0.1%
|
|
| 7 | 154 |
1%
|
|
| 8 | 16 |
0.1%
|
|
| 9 | 4 |
0%
|
|
| 10 | 113 |
0.8%
|
|
| 12 | 6 |
0%
|
|
| 13 | 1 |
0%
|
|
| 14 | 64 |
0.4%
|
|
| 15 | 19 |
0.1%
|
|
| 16 | 3 |
0%
|
|
| 18 | 2 |
0%
|
|
| 20 | 22 |
0.1%
|
|
| 21 | 27 |
0.2%
|
|
| 25 | 1 |
0%
|
|
| 28 | 6 |
0%
|
|
| 30 | 24 |
0.2%
|
|
| 31 | 1 |
0%
|
|
| 35 | 4 |
0%
|
|
| 36 | 1 |
0%
|
|
| 40 | 1 |
0%
|
|
| 42 | 1 |
0%
|
|
| 44 | 1 |
0%
|
|
| 45 | 1 |
0%
|
|
| 50 | 4 |
0%
|
|
| 55 | 2 |
0%
|
|
| 60 | 6 |
0%
|
|
| 62 | 1 |
0%
|
|
| 63 | 1 |
0%
|
|
| 64 | 1 |
0%
|
|
| 77 | 1 |
0%
|
|
| 80 | 1 |
0%
|
|
| 90 | 5 |
0%
|
|
| 100 | 2 |
0%
|
|
| 120 | 2 |
0%
|
|
| 156 | 1 |
0%
|
|
| 183 | 1 |
0%
|
|
| 200 | 1 |
0%
|
|
| 210 | 1 |
0%
|
|
| 300 | 1 |
0%
|
|
| 330 | 2 |
0%
|
|
| 365 | 42 |
0.3%
|
|
| -8 | other error | 0 |
0%
|
| -7 | filter error | 0 |
0%
|
| -3 | inapplicable | 12767 |
85.3%
|
| -2 | no answer | 3 |
0%
|
| -1 | does not know | 20 |
0.1%
|