| Value | Category | Cases | |
|---|---|---|---|
| 1 | never, i always have enough on hand | 418 |
33.6%
|
| 2 | not very frequent, once every 6 months or so | 358 |
28.8%
|
| 3 | once every three months | 255 |
20.5%
|
| 4 | once a month or more frequent | 212 |
17.1%
|
| Sysmiss | 1896 |