| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, ONCE | 38 |
0.4%
|
| 2 | YES, MORE THAN ONCE | 34 |
0.3%
|
| 3 | NO | 7792 |
72.8%
|
| Sysmiss | 2839 |
26.5%
|