| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 103 |
5.9%
|
| 1 | Never, it always has enough on hand | 1095 |
62.3%
|
| 2 | Rarely | 458 |
26%
|
| 3 | Sometimes | 101 |
5.7%
|
| 4 | Frequently, at least once every three months | 2 |
0.1%
|