| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes, monthly | 2017 |
9%
|
| 2 | yes, two or three times a year | 1061 |
4.7%
|
| 3 | yes, annually | 258 |
1.1%
|
| 4 | yes, on special ocassions | 1718 |
7.7%
|
| 5 | never | 17382 |
77.5%
|
| Sysmiss | 10 |