| Value | Category | Cases | |
|---|---|---|---|
| 1 | ws1=11 to 14 | 3074 |
25.8%
|
| 2 | ws1=21 or 31 or 41 | 4891 |
41%
|
| 3 | ws1=others | 3960 |
33.2%
|
| Sysmiss | 225 |