Are you trying to get all the data series into 1 chart instead of split into 3 charts? You can do this by splitting the area instead of splitting the chart when you select "Add Sub-Buckets"
If you plot the data as a line chart instead of an area chart, you can set the Y-Axis scale to use log instead of linear which would certainly help make the data easier to understand.
I'm actually surprised to find that Y-Axis Scale isn't available for area chart.
For line and bar charts, you can find the scale-selector in the "Options"-tab. It is right next to the Data-tab. It has 3 options: linear, log, square root. Like @tsullivan suggested, "log" will work better for your data, because the log-scaling downplays large differences in magnitude.
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