| Value | Category | Cases | |
|---|---|---|---|
| 1 | Morethan2PerYear | 14428 |
52.6%
|
| 2 | Never | 1283 |
4.7%
|
| 3 | OneToTwoTimesPerYear | 11720 |
42.7%
|
| Sysmiss | 10 |