I’ll expand on this post later. I just want to get the charts up for now.
I looked at the following figures since 2003 – 17 runnings – of:
I added the Grand National since 2013 (first time plastic cores were used) – 6 runnings
RR (just one instance of this – Battle Group in National so I’ve ignored it)
Top Section is actual numbers. Bottom Section is those numbers as percentages. The chart is based on the percentages