| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 2 |
0.6%
|
| 2 | NO | 354 |
99.2%
|
| 7 | DON'T KNOW | 1 |
0.3%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 3990 |