| Value | Category | Cases | |
|---|---|---|---|
| 1 | boiling | 208 |
6.5%
|
| 2 | commercial disinfectants | 4 |
0.1%
|
| 3 | lemon extracts | 0 |
0%
|
| 4 | drying in the sun | 0 |
0%
|
| 5 | miss | 0 |
0%
|
| 6 | other | 0 |
0%
|
| 8 | dtk | 2 |
0.1%
|
| 9 | na | 2980 |
93.3%
|
| Sysmiss | 904 |