| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 0 |
0%
|
| -1 | Refuse | 0 |
0%
|
| 1 | Available locally | 1 |
100%
|
| 2 | Import | 0 |
0%
|
| 3 | Both | 0 |
0%
|
| Sysmiss | 299 |