| Value | Category | Cases | |
|---|---|---|---|
| 1 | improved | 187 |
14.5%
|
| 2 | traditional | 976 |
75.9%
|
| 3 | IMPROVED, RECYCLED | 122 |
9.5%
|
| 4 | OTHER (SPECIFY) | 1 |
0.1%
|
| Sysmiss | 2849 |