| Value | Category | Cases | |
|---|---|---|---|
| -96 | Other (specify) | 25 |
2.2%
|
| 1 | No need | 461 |
40.3%
|
| 2 | They are not effective | 51 |
4.5%
|
| 3 | Cannot afford them | 534 |
46.6%
|
| 4 | They are not available in the market/shops | 74 |
6.5%
|
| Sysmiss | 521 |