Thanks Portsea and Riseabove for your kind comments.
The thumbs up proportion is an interesting thing as it does indicate if people are interested or not and if it is worthwhile putting in the effort to post because it is my own work on excel and not some commercial program.
I really don't want to appear to be spamming nonsense which this may appear to many people.
Anyway here is an explanation of how to read the charts.
Kind regards Bone
