| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 521 |
26.1%
|
| 2 | Once | 918 |
46%
|
| 3 | Twice | 289 |
14.5%
|
| 4 | Thrice | 71 |
3.6%
|
| 5 | More than 3 times | 198 |
9.9%
|
| 98 | Missing response | 0 | |
| 99 | Not applicable | 15037 |