| Value | Category | Cases | |
|---|---|---|---|
| -99 | Do not know | 0 |
0%
|
| 1 | One | 45 |
11.5%
|
| 2 | Two | 345 |
87.8%
|
| 3 | More than two | 3 |
0.8%
|
| Sysmiss | 183 |