| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 599 |
12.6%
|
| 2 | no | 509 |
10.7%
|
| 3 | no h9 work hazards | 3662 |
76.8%
|
| 9 | no answer | 0 |
0%
|
| Sysmiss | 6010 |