| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 245 |
8.1%
|
| 2 | NO | 2723 |
89.5%
|
| 77 | DONT KNOW | 38 |
1.2%
|
| 99 | REFUSE TO ANSWER | 35 |
1.2%
|
| Sysmiss | 3179 |