| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week or more | 149 |
3.5%
|
| 2 | One to three times a month | 196 |
4.6%
|
| 3 | Several times in the past year | 496 |
11.6%
|
| 4 | Once in the past year | 442 |
10.3%
|
| 5 | Never | 2818 |
65.8%
|
| -2 | No answer | 88 |
2.1%
|
| -1 | Can't choose | 92 |
2.1%
|