Im trying to make a scatter plot of the following data.

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Where the first row are the x values and each column is the corresponding y values.



When i highlight the 6 rows and select graph (scatter type) everything works fine with the x axis running from 0-15 in increments of 5. (Exactly what i want)


But when i highlight anythin over the first 6 rows the x axis scale becomes 0, 1000, 2000 3000 etc.


Am i doing something silly?