Right click on line in graph.
Select Source Data
Change "Data Range" drag from top to bottom or you can add manually.

Hope this will work.

Regards

Akhilesh Dalia
akhileshdalia<athotmail<dotcom

"karl gauss" wrote:

I am making a line graph (chart) with 31 numbers.

However, the graph plots only the most recent (lowest from the column)
21 numbers.

How can I ensure the line graph portrays all 31 numbers?