| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 20 |
10%
|
| 2 | once/twice per year | 103 |
51.5%
|
| 3 | once/twice per month | 64 |
32%
|
| 4 | once/twice per week | 12 |
6%
|
| 5 | daily | 1 |
0.5%
|