| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to answer | 0 |
0%
|
| -88 | Not provided | 0 |
0%
|
| -77 | Not applicable | 0 |
0%
|
| -66 | Do not know | 0 |
0%
|
| 1 | Are taken directly from estblishments' records | 225 |
28.8%
|
| 2 | Are estimates computed with some precision | 554 |
70.9%
|
| 3 | Are arbitrary and unreliable numbers | 2 |
0.3%
|