| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3 |
1.7%
|
| 2 | no | 175 |
98.3%
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4792 |