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@stephengdavey Cheers, may well be of use! I did find this source (http://t.co/Vx1nvXb7KU) which collates values… but it’s from 1998.
@stephengdavey Cheers, may well be of use! I did find this source (http://t.co/Vx1nvXb7KU) which collates values… but it’s from 1998.