52 new leaders:

22 British, 5 Australians, 5 New-Zealanders, 4 Canadians, 3 South Africans, 2 Americans, 2 Belgians, 2 Czechs, 2 Poles, 1 French, 1 Greek, 1 Irish, 1 Norwegian, 1 Rhodesian

https://www.createspace.com/5789527