| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ONCE | 69 |
0.6%
|
| 2 | YES, MORE THAN ONCE | 35 |
0.3%
|
| 3 | NO | 7760 |
72.5%
|
| Sysmiss | 2839 |
26.5%
|