| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 9 |
1.4%
|
| 2 | no | 638 |
98.6%
|
| 9 | not applicable | 0 |
0%
|
| 9999995 | missing:impute | 0 |
0%
|
| Sysmiss | 2970 |