Seems to be a pretty accurate map. Results so far for YES camp:
- Belgium: 77%
- The Netherlands: 70%
- France: 65%
- Germany: 63%
- United Kingdom: 21%
- United States: 17%
- Spain: 13%
http://deredactie.be/cm/vrtnieuws/buitenland/1.2953612
I'm from Belgium myself and I have no idea why such an overwhelming majority voted yes. I think there'll be some research/inquiry in the coming days on why that percentage's so high.