| Value | Category | Cases | |
|---|---|---|---|
| 1 | weekly | 332 |
2.3%
|
| 2 | biweekly | 181 |
1.2%
|
| 3 | monthly | 315 |
2.2%
|
| 4 | biannually | 147 |
1%
|
| 5 | annually | 86 |
0.6%
|
| 6 | never | 8602 |
59.4%
|
| 7 | other | 5 |
0%
|
| 8 | daily | 0 |
0%
|
| 9 | quarterly | 9 |
0.1%
|
| 10 | 3 times a year | 0 |
0%
|
| 11 | 7 times a year | 0 |
0%
|
| 12 | bimonthly | 0 |
0%
|
| 5555 | not applicable | 4815 |
33.2%
|
| Sysmiss | 4781 |