| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2860 |
22.2%
|
| 2 | Spraying | 7908 |
61.4%
|
| 3 | Dipping | 638 |
5%
|
| 4 | Smearing | 461 |
3.6%
|
| 5 | Other | 1016 |
7.9%
|
| Sysmiss | 35462 |