| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, more than monthly | 35 |
0.7%
|
| 2 | Yes, monthly | 58 |
1.2%
|
| 3 | Yes, several times but less than monthly | 109 |
2.2%
|
| 4 | Yes, once or twice | 308 |
6.1%
|
| 5 | No | 4500 |
89.8%
|