| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES | 4231 |
99.2%
|
| 2 | NO | 35 |
0.8%
|
| 8 | DK | 0 |
0%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 3727 |