| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 811 |
79.5%
|
| 2 | Yes, once or twice | 115 |
11.3%
|
| 3 | Yes, between 3 to 9 occasions | 59 |
5.8%
|
| 4 | Yes, 10 occasions or more | 35 |
3.4%
|
| Sysmiss | 22 |