| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 31 |
10.1%
|
| 1 | Once | 70 |
22.8%
|
| 2 | Twice | 103 |
33.6%
|
| 3 | Three times | 70 |
22.8%
|
| 4 | More than three times | 33 |
10.7%
|