X-Axis date range does not expand in in Numbers graph
I find that on many different graphs where I am using a column of dates as the x-axis the range does not expand as I add new rows to the table, this leaves the graph without the full range of data.
Typically the first column with the dates is a Header Column.
Is this a known problem or is there a proper way to make this work?
I am using Numbers on my Mac and iPad.
Thank you for your help.