| Value | Category | Cases | |
|---|---|---|---|
| 1 | ONLY ONCE OR TWICE | 886 |
36.5%
|
| 2 | IN SOME MONTHS BUT NOT EVERY MONTH | 1138 |
46.9%
|
| 3 | ALMOST EVERY MONTH | 384 |
15.8%
|
| 4 | DON'T KNOW | 17 |
0.7%
|
| 5 | REFUSED | 3 |
0.1%
|
| Sysmiss | 7046 |