| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (don't know) = dk | 1 |
0.4%
|
| -88 | Other, specify | 0 |
0%
|
| -6 | -66 (refuse to answer) = nr | 0 |
0%
|
| 1 | Spraying | 17 |
7.1%
|
| 2 | Smoking | 215 |
90%
|
| 3 | Hired guard | 0 |
0%
|
| 4 | Did nothing | 6 |
2.5%
|
| Sysmiss | 877 |