| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 time | 1 |
10%
|
| 2 | 2 times | 3 |
30%
|
| 3 | 3 times | 1 |
10%
|
| 4 | 4 times | 5 |
50%
|
| 997 | Other specify | 0 |
0%
|
| 999 | Don't Know | 0 |
0%
|
| Sysmiss | 15 |