That's a vote on the Union with the bit of Ulster or about keeping the Crown? I'm pretty certain the first would be to end it, I'm not sure about the other one. A close run thing I'd suspect.
I somehow don't think the significant thing about the difference the two sides of the border is much to do with the Crown as such, as opposed to the Union.
"The Republic is jumping. Like a young buck at first rut." God forbid! You wouldn't want to live in a place that really was like that - and if you live in Ireland, you don't in a place that's really like that . Lively enough, but there's balance in all things.