| Value | Category | Cases | |
|---|---|---|---|
| 1 | No need | 69 |
22.5%
|
| 2 | They are not effective | 1 |
0.3%
|
| 3 | Cannot afford them | 197 |
64.2%
|
| 4 | They are not available in the market/shops | 32 |
10.4%
|
| 5 | Other (specify) | 8 |
2.6%
|
| Sysmiss | 1040 |