| Value | Category | Cases | |
|---|---|---|---|
| 1 | Boiled w | 156 |
88.1%
|
| 2 | electric | 5 |
2.8%
|
| 3 | Steam pr | 9 |
5.1%
|
| 4 | Autoclav | 2 |
1.1%
|
| 5 | chem. st | 0 |
0%
|
| 6 | Other | 5 |
2.8%
|
| Sysmiss | 7 |