| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Cmnt/brck | 4471 |
58.7%
|
| 2 | 2. Wood | 2070 |
27.2%
|
| 3 | 3. Bamboo | 1035 |
13.6%
|
| 4 | 4. Other | 30 |
0.4%
|
| 9 | 9. Miss | 14 |
0.2%
|