| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not a member | 3222 |
93.6%
|
| 2 | Never | 184 |
5.3%
|
| 3 | Once a month | 19 |
0.6%
|
| 4 | Once every two months | 4 |
0.1%
|
| 555 | Other specificy | 14 |
0.4%
|
| Sysmiss | 3 |