| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cannot afford | 12 |
0.9%
|
| 2 | Do not like | 3 |
0.2%
|
| 3 | Given for free | 548 |
40.3%
|
| 4 | Already have stock | 793 |
58.4%
|
| 5 | Other, specify | 0 |
0%
|
| 6 | 1 |
0.1%
|
|
| 9 | 2 |
0.1%
|
|
| Sysmiss | 11524 |