| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.5%
|
|
| 1 | Yes | 52 |
23.5%
|
| 2 | No | 164 |
74.2%
|
| 9 | 4 |
1.8%
|
|
| 99 | DK/RF | 0 |
0%
|
| Sysmiss | 1289 |