| Value | Category | Cases | |
|---|---|---|---|
| 1 | At least once a month | 2 |
0.5%
|
| 2 | At least once a week | 47 |
12.4%
|
| 3 | Every time we use them | 330 |
86.8%
|
| 4 | Never or less than once a year | 1 |
0.3%
|