| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cannot afford | 2 |
1.5%
|
| 2 | Do not like | 2 |
1.5%
|
| 3 | Given for free | 110 |
82.1%
|
| 4 | Already have stock | 18 |
13.4%
|
| 5 | Other, specify | 2 |
1.5%
|
| Sysmiss | 12743 |