How do you force the Y-axis to start at a high number in a series of data
points, and move lower as you go up the axis? I have data about performance
(network delay) that has a goal of zero. Actuals are 20, 40, 50 milliseconds
average per month. X-axis is a category-axis with months listed. The average
has been decreasing, and I would like to show this as a line graph slanting
from the lower left to the upper right, as it approaches 0.
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