Maybe 5 was too low, but under 10 anyway. For example my under 10's are relatively straight forward being North Sea/North Atlantic like.
1 Orcadian 4.18
2 West_Norwegian 6.01
3 West_Scottish 6.03
4 North_Dutch 6.8
5 Danish 7.03
6 Irish 7.22
7 Southeast_English 7.51
8 Norwegian 7.61
9 Southwest_English 8.47
10 Swedish 9.59

