| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week or more | 79 |
1.8%
|
| 2 | One to three times a month | 100 |
2.3%
|
| 3 | Several times in the past year | 319 |
7.5%
|
| 4 | Once in the past year | 313 |
7.3%
|
| 5 | Never | 3314 |
77.4%
|
| -2 | No answer | 89 |
2.1%
|
| -1 | Can't choose | 67 |
1.6%
|