| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 501 |
98.2%
|
| 1 | Yes | 9 |
1.8%
|
| 7 | N/A | 0 |
0%
|
| 8 | DK | 0 |
0%
|
| Sysmiss | 2 |