| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 239 |
7.4%
|
| 2 | NO | 2908 |
90.5%
|
| 77 | DONT KNOW | 14 |
0.4%
|
| 99 | REFUSE TO ANSWER | 51 |
1.6%
|
| Sysmiss | 3008 |