| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.7%
|
|
| 1 | Single handful | 94 |
23.4%
|
| 2 | Double handful | 248 |
61.8%
|
| 3 | Other specify | 31 |
7.7%
|
| 4 | None | 23 |
5.7%
|
| 88 | 2 |
0.5%
|
|
| Sysmiss | 8174 |