| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 666 |
18.6%
|
| 2 | 1 to 2 times | 1294 |
36.1%
|
| 3 | 3 to 5 times | 915 |
25.5%
|
| 4 | 6 to 10 times | 481 |
13.4%
|
| 5 | more than 10 times | 228 |
6.4%
|
| 9 | omitted | 0 |