| Value | Category | Cases | |
|---|---|---|---|
| 1 | never, i always have enough on hand | 602 |
47%
|
| 2 | not very frequent, once every 6 months or so | 320 |
25%
|
| 3 | once every three months | 144 |
11.2%
|
| 4 | once a month or more frequent | 215 |
16.8%
|
| Sysmiss | 1858 |