I just found this on the RHB reflector today which I think will be of interest.
=== European countries now completely surveyed for P150s ===
France (2850)
UK (1614)
Republic of Ireland (388)
Montenegro (341)
Hungary (109)
Faeroe Islands (107)
Andorra (22)
Liechtenstein (9)
Man (5)
Belarus, Denmark, Latvia, Malta (2 each)
Belgium, Estonia, Lithuania, San Marino (1 each)
Channel Is, Luxembourg, Netherlands (none, but checked)
Jimmy 2E0EYP