| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 31 |
2.9%
|
| 2 | NO | 1001 |
95.1%
|
| 7 | NOT APPLICABLE | 17 |
1.6%
|
| 9 | REFUSED | 4 |
0.4%
|
| Sysmiss | 3518 |