| Value | Category | Cases | |
|---|---|---|---|
| 1 | never | 1512 |
84.1%
|
| 2 | once | 192 |
10.7%
|
| 3 | a few times (less or equal to 5) | 84 |
4.7%
|
| 4 | many times (more than 5) | 9 |
0.5%
|