| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 7 |
0.1%
|
| 2 | NO | 8137 |
63.7%
|
| 7 | DON'T KNOW | 4550 |
35.6%
|
| 9 | REFUSED | 88 |
0.7%
|
| Sysmiss | 1 |