| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 time | 0 |
0%
|
| 2 | 2 times | 0 |
0%
|
| 3 | 3 times | 0 |
0%
|
| 4 | 4 times | 2 |
100%
|
| 997 | Other specify | 0 |
0%
|
| 999 | Don't Know | 0 |
0%
|
| Sysmiss | 23 |