| Value | Category | Cases | |
|---|---|---|---|
| -77 | Other (specify) | 30 |
0.7%
|
| 1 | Cotton | 3625 |
86.5%
|
| 2 | Silk | 201 |
4.8%
|
| 3 | Paper | 7 |
0.2%
|
| 4 | Surgical mask -- non-woven fabric | 296 |
7.1%
|
| 5 | N95 - approved medical material | 31 |
0.7%
|
| Sysmiss | Not applicable | 0 | |
| Sysmiss | Don't know | 0 | |
| Sysmiss | Refused to answer | 0 | |
| Sysmiss | 267 |