Peter,as much as I'd like to say I'd spent months gathering info at the PRO (everything apart from a few docs I have copied there were lost on a bad hard drive !) all the hard work has been done by David Boyd for his website
All I have done is add and subtract delivery figures etc that he has kindly provided.

I have as a matter of courtesy asked David Boyd for info to be used and will be in contact with you regarding this.

Anyhow it's killed some time for me

ATB Kevin