| Value | Category | Cases | |
|---|---|---|---|
| 1 | improved | 48 |
14.7%
|
| 2 | traditional | 244 |
74.8%
|
| 3 | IMPROVED, RECYCLED | 34 |
10.4%
|
| 4 | OTHER (SPECIFY) | 0 |
0%
|
| Sysmiss | 851 |