| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 532 |
12.6%
|
| 2 | no | 74 |
1.7%
|
| 9 | not applicable | 3465 |
81.9%
|
| 9999995 | missing:impute | 158 |
3.7%
|
| Sysmiss | 4 |