https://fbcdn-sphotos-b-a.akamaihd.n...49218397_n.jpg
How do you figure that?
Percentage identifying as "Northern Irish Only": 21%
Percentage identifying as "British & Northern Irish Only": 6%
Percentage identifying as "Irish Only": 25%
Unless I'm reading something incorrectly...
Edit: Are you combining the two former figures? What's interesting about it exactly?