| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 939 |
22.4%
|
| 2 | no | 776 |
18.5%
|
| 9 | not applicable | 2167 |
51.7%
|
| 9999995 | missing:impute | 311 |
7.4%
|
| Sysmiss | 2410 |