| Value |
Category |
| -9 |
No response |
| 1 |
Skip bin open |
| 2 |
Skip bin closed |
| 3 |
Pit |
| 4 |
Heap |
| 5 |
Burning |
| 6 |
Other |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.