You live and learn. I think we're all kicking ourselves over it; so obvious in hindsight! It's certainly the plan for next year.
Yeah that was a mistake. We were trying to cut out redundant questions, but it would have been so easy just to split this into three answers. We might be able to split this out based on secondary information, but we didn't finish that analysis in time for this post. Maybe we can get it into a future post if we trust our result.