| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 1 |
20%
|
| 2 | NO | 4 |
80%
|
| 7 | DON'T KNOW | 0 |
0%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 19371 |