| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Once | 778 |
35.3%
|
| 2 | 2.Twice | 1411 |
64%
|
| 3 | 3.More than twice | 16 |
0.7%
|
| 9 | 9.MISSING | 0 |
0%
|
| Sysmiss | 1269 |