| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 8 |
1.4%
|
| 2 | NO | 559 |
98.2%
|
| 7 | DON'T KNOW | 2 |
0.4%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 7939 |