| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | No | 493 | 266 |
97.4%
|
| 1 | Inconvenient to use/messy | 11 | 7 |
2.6%
|
| 9 | 32 | 20 | ||
| Sysmiss | 3254 | 2077 |