| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2381 |
16.3%
|
| 2 | No | 12208 |
83.6%
|
| 77 | Don't know | 3 |
0%
|
| 88 | Don't know | 1 |
0%
|
| 99 | Don't know | 10 |
0.1%
|
| Sysmiss | 5 |