| Value | Category | Cases | |
|---|---|---|---|
| 1 | One group only | 138 |
3.8%
|
| 2 | Just a few groups | 536 |
14.9%
|
| 3 | All Nigerians | 2775 |
77%
|
| 9 | Don't know | 154 |
4.3%
|